diff --git a/.gradle/7.4.2/checksums/checksums.lock b/.gradle/7.4.2/checksums/checksums.lock
index 5ffe48a..1d648a5 100644
Binary files a/.gradle/7.4.2/checksums/checksums.lock and b/.gradle/7.4.2/checksums/checksums.lock differ
diff --git a/.gradle/7.4.2/checksums/md5-checksums.bin b/.gradle/7.4.2/checksums/md5-checksums.bin
index 1edb255..6b73493 100644
Binary files a/.gradle/7.4.2/checksums/md5-checksums.bin and b/.gradle/7.4.2/checksums/md5-checksums.bin differ
diff --git a/.gradle/7.4.2/checksums/sha1-checksums.bin b/.gradle/7.4.2/checksums/sha1-checksums.bin
index d4afca9..f24a829 100644
Binary files a/.gradle/7.4.2/checksums/sha1-checksums.bin and b/.gradle/7.4.2/checksums/sha1-checksums.bin differ
diff --git a/.gradle/7.4.2/executionHistory/executionHistory.bin b/.gradle/7.4.2/executionHistory/executionHistory.bin
index 13bfd38..86318ac 100644
Binary files a/.gradle/7.4.2/executionHistory/executionHistory.bin and b/.gradle/7.4.2/executionHistory/executionHistory.bin differ
diff --git a/.gradle/7.4.2/executionHistory/executionHistory.lock b/.gradle/7.4.2/executionHistory/executionHistory.lock
index 9197817..094f333 100644
Binary files a/.gradle/7.4.2/executionHistory/executionHistory.lock and b/.gradle/7.4.2/executionHistory/executionHistory.lock differ
diff --git a/.gradle/7.4.2/fileHashes/fileHashes.bin b/.gradle/7.4.2/fileHashes/fileHashes.bin
index 17eb65b..a4d160f 100644
Binary files a/.gradle/7.4.2/fileHashes/fileHashes.bin and b/.gradle/7.4.2/fileHashes/fileHashes.bin differ
diff --git a/.gradle/7.4.2/fileHashes/fileHashes.lock b/.gradle/7.4.2/fileHashes/fileHashes.lock
index 310a3e2..a285d9d 100644
Binary files a/.gradle/7.4.2/fileHashes/fileHashes.lock and b/.gradle/7.4.2/fileHashes/fileHashes.lock differ
diff --git a/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/.gradle/buildOutputCleanup/buildOutputCleanup.lock
index 39e96d5..f59b00d 100644
Binary files a/.gradle/buildOutputCleanup/buildOutputCleanup.lock and b/.gradle/buildOutputCleanup/buildOutputCleanup.lock differ
diff --git a/.gradle/buildOutputCleanup/outputFiles.bin b/.gradle/buildOutputCleanup/outputFiles.bin
index e60180a..0a317fb 100644
Binary files a/.gradle/buildOutputCleanup/outputFiles.bin and b/.gradle/buildOutputCleanup/outputFiles.bin differ
diff --git a/.gradle/file-system.probe b/.gradle/file-system.probe
index b37f746..d39032c 100644
Binary files a/.gradle/file-system.probe and b/.gradle/file-system.probe differ
diff --git a/build/classes/kotlin/main/Bias.class b/build/classes/kotlin/main/Bias.class
index fc01d1b..e5be0ed 100644
Binary files a/build/classes/kotlin/main/Bias.class and b/build/classes/kotlin/main/Bias.class differ
diff --git a/build/classes/kotlin/main/Layer.class b/build/classes/kotlin/main/Layer.class
index 470fd53..5d4e39e 100644
Binary files a/build/classes/kotlin/main/Layer.class and b/build/classes/kotlin/main/Layer.class differ
diff --git a/build/classes/kotlin/main/MeowKt.class b/build/classes/kotlin/main/MeowKt.class
index 38cb6e4..44afe3d 100644
Binary files a/build/classes/kotlin/main/MeowKt.class and b/build/classes/kotlin/main/MeowKt.class differ
diff --git a/build/classes/kotlin/main/Node.class b/build/classes/kotlin/main/Node.class
index 42e0020..1632196 100644
Binary files a/build/classes/kotlin/main/Node.class and b/build/classes/kotlin/main/Node.class differ
diff --git a/build/classes/kotlin/main/Perceptron.class b/build/classes/kotlin/main/Perceptron.class
index 5d42892..9b7a21c 100644
Binary files a/build/classes/kotlin/main/Perceptron.class and b/build/classes/kotlin/main/Perceptron.class differ
diff --git a/build/classes/kotlin/main/Weight.class b/build/classes/kotlin/main/Weight.class
index 5cbb248..0aeff61 100644
Binary files a/build/classes/kotlin/main/Weight.class and b/build/classes/kotlin/main/Weight.class differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab b/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab
index 8e2292a..905a6ce 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab and b/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab.keystream b/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab.keystream
index bc6bd01..13b8703 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab.keystream and b/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab.keystream differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab.values.at b/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab.values.at
index 56c1069..88df2da 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab.values.at and b/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab.values.at differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab_i b/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab_i
index 75da7a7..339e20a 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab_i and b/build/kotlin/compileKotlin/cacheable/caches-jvm/inputs/source-to-output.tab_i differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-attributes.tab b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-attributes.tab
index 7e4dccf..7bef40d 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-attributes.tab and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-attributes.tab differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-attributes.tab.values.at b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-attributes.tab.values.at
index 9e078ce..664a08f 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-attributes.tab.values.at and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-attributes.tab.values.at differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-fq-name-to-source.tab b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-fq-name-to-source.tab
index bbd1d6b..0e72e62 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-fq-name-to-source.tab and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-fq-name-to-source.tab differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-fq-name-to-source.tab.values.at b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-fq-name-to-source.tab.values.at
index f25d42f..5551e8c 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-fq-name-to-source.tab.values.at and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/class-fq-name-to-source.tab.values.at differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/internal-name-to-source.tab b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/internal-name-to-source.tab
index e0e09f1..2ed5ea0 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/internal-name-to-source.tab and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/internal-name-to-source.tab differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/internal-name-to-source.tab.values.at b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/internal-name-to-source.tab.values.at
index f83db99..bcbac38 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/internal-name-to-source.tab.values.at and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/internal-name-to-source.tab.values.at differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/package-parts.tab b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/package-parts.tab
index c755a23..3e81fe9 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/package-parts.tab and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/package-parts.tab differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/package-parts.tab.values.at b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/package-parts.tab.values.at
index 8f88b0a..79708dd 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/package-parts.tab.values.at and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/package-parts.tab.values.at differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/proto.tab b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/proto.tab
index 0eae28a..d990130 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/proto.tab and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/proto.tab differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/proto.tab.values.at b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/proto.tab.values.at
index 6c1517f..ab66fc2 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/proto.tab.values.at and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/proto.tab.values.at differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/source-to-classes.tab b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/source-to-classes.tab
index edea97d..26240af 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/source-to-classes.tab and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/source-to-classes.tab differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/source-to-classes.tab.values.at b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/source-to-classes.tab.values.at
index 885061a..86045d7 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/source-to-classes.tab.values.at and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/source-to-classes.tab.values.at differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/subtypes.tab b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/subtypes.tab
index b07fa67..137695d 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/subtypes.tab and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/subtypes.tab differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/supertypes.tab b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/supertypes.tab
index e92e3ba..febe009 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/supertypes.tab and b/build/kotlin/compileKotlin/cacheable/caches-jvm/jvm/kotlin/supertypes.tab differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/file-to-id.tab b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/file-to-id.tab
index 91572bd..c5e9cc9 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/file-to-id.tab and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/file-to-id.tab differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/file-to-id.tab.values.at b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/file-to-id.tab.values.at
index ea7771e..a5b8f98 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/file-to-id.tab.values.at and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/file-to-id.tab.values.at differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab
index 50511ff..5464798 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.keystream b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.keystream
index 636f34a..6e7a926 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.keystream and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.keystream differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.keystream.len b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.keystream.len
index 29ce11c..eb52963 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.keystream.len and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.keystream.len differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.len b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.len
index a9f80ae..93a595b 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.len and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.len differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.values.at b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.values.at
index e97958b..4acb083 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.values.at and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab.values.at differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab_i b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab_i
index e9905b3..6936967 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab_i and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/id-to-file.tab_i differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab
index 92f6838..c28fa72 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.keystream b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.keystream
index 5ab3a9a..575daa3 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.keystream and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.keystream differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.keystream.len b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.keystream.len
index 29c5240..8cddd07 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.keystream.len and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.keystream.len differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.len b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.len
index 0eb4138..e4c94dc 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.len and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.len differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.values.at b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.values.at
index 3cd0a48..3635b84 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.values.at and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab.values.at differ
diff --git a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab_i b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab_i
index f88fda1..27189da 100644
Binary files a/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab_i and b/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/lookups.tab_i differ
diff --git a/build/kotlin/compileKotlin/cacheable/last-build.bin b/build/kotlin/compileKotlin/cacheable/last-build.bin
index 06c7931..b976fc6 100644
Binary files a/build/kotlin/compileKotlin/cacheable/last-build.bin and b/build/kotlin/compileKotlin/cacheable/last-build.bin differ
diff --git a/build/kotlin/compileKotlin/local-state/build-history.bin b/build/kotlin/compileKotlin/local-state/build-history.bin
index 9bd9e36..fa77c73 100644
Binary files a/build/kotlin/compileKotlin/local-state/build-history.bin and b/build/kotlin/compileKotlin/local-state/build-history.bin differ
diff --git a/src/main/kotlin/Meow.kt b/src/main/kotlin/Meow.kt
index dcf9bcd..d018967 100644
--- a/src/main/kotlin/Meow.kt
+++ b/src/main/kotlin/Meow.kt
@@ -7,8 +7,8 @@ var petal_length_max = 0.0
 var petal_width_max = 0.0
 
 fun main() {
-    val file = File("/run/media/sweetbread/50AF29954CE66E9F/Coding/Kotlin/AI/src/main/resources/IRIS.csv")
-    val data: List<Iris> = csvReader().readAll(file).drop(1).map { Iris(it[0].toDouble(), it[1].toDouble(), it[2].toDouble(), it[3].toDouble(), it[4]) } .shuffled()
+    val file = File("src/main/resources/Iris.csv")
+    val data: List<Iris> = csvReader().readAll(file).drop(1).map { Iris(it[1].toDouble(), it[2].toDouble(), it[3].toDouble(), it[4].toDouble(), it[5]) } .shuffled()
     data.forEach {
         if (it.sepal_length > sepal_length_max) sepal_length_max = it.sepal_length
         if (it.sepal_width  > sepal_width_max)  sepal_width_max  = it.sepal_width
@@ -20,13 +20,17 @@ fun main() {
         Layer(4),
         Layer(4),
         Layer(3, false)
-    ))
+    ), .2)
     println(model.output())
 
-    model.teach(data.subList(0, 50).map { it.data_field() }.toTypedArray(), 100, false)
-    data[100].data_field()[1].forEach { print(it.toInt()); print(" ") }
-    println()
-    model.input(data[100].data_field()[0]); println(model.output())
+    model.teach(data.subList(0, 50).map { it.data_field() }.toTypedArray(), 200, false)
+    var errors = 0
+    data.forEach {
+        val cor = it.data_field()[1].map{ it.toInt() }; model.input(it.data_field()[0])
+        println("Correct: $cor, out: ${model.output_int()}, ${cor==model.output_int()}")
+        if (cor!=model.output_int()) errors++
+    }
+    println((errors.toDouble()/data.size*100).toInt().toString()+"%")
 }
 
 class Iris (
diff --git a/src/main/kotlin/Perceptron.kt b/src/main/kotlin/Perceptron.kt
index 5506af1..8bd1b3e 100644
--- a/src/main/kotlin/Perceptron.kt
+++ b/src/main/kotlin/Perceptron.kt
@@ -2,8 +2,13 @@ import kotlin.math.pow
 import kotlin.properties.Delegates
 
 class Perceptron (private val layers: Array<Layer>, private val k: Double = 0.5) {
+    val input_layer: Layer
+    val output_layer: Layer
 
     init {
+        input_layer = layers.first()
+        output_layer = layers.last()
+
         layers.mapIndexed { index, layer -> layer.position = index }
         for (i in 0..layers.size-2) {
             println(i)
@@ -12,17 +17,17 @@ class Perceptron (private val layers: Array<Layer>, private val k: Double = 0.5)
         this.count()
     }
 
-    private fun count() { for (layer in layers) { layer.count() } }
+    private fun count() { layers.forEach { it.count() }}
 
     fun input(array: Array<Double>) {
-        for (index in 0 until layers[0].nodes.dropLast(1).size) {
-            layers[0].nodes[index].valuE = array[index]
+        input_layer.nodes.mapIndexed { index, node ->
+            if (node !is Bias) node.valuE = array[index]
         }
         this.count()
     }
 
     private fun backPropagation(input: Array<Double>) {
-        input.mapIndexed { i, v -> layers.last().nodes[i].error = v - layers.last().nodes[i].valuE }
+        output_layer.nodes.mapIndexed { index, node -> node.error = input[index] - node.valuE }
         for (layer in layers.drop(1).dropLast(1).reversed()) {
             for (node in layer.nodes) {
                 node.error = 0.toDouble()
@@ -57,6 +62,12 @@ class Perceptron (private val layers: Array<Layer>, private val k: Double = 0.5)
         for (node in layers.last().nodes) { output += node.valuE }
         return output
     }
+
+    fun output_int(): List<Int> {
+        var output = listOf<Int>()
+        for (node in layers.last().nodes) { output += if (node.valuE > 0.5) 1 else 0 }
+        return output
+    }
 }
 
 open class Node(val parent: Layer, private val position: Int) {
@@ -88,7 +99,7 @@ class Bias(parent: Layer, position: Int) : Node(parent, position) {
     override fun getValue() = 1.toDouble()
 }
 
-class Layer(amount: Int, bias: Boolean = true) {
+open class Layer(amount: Int, bias: Boolean = true) {
     var position by Delegates.notNull<Int>()
     var nodes = listOf<Node>()
     var nextWeight: Weight? = null