diff --git a/src/main/kotlin/io/smnp/SMNP.kt b/src/main/kotlin/io/smnp/SMNP.kt
index e81605c..50291ed 100644
--- a/src/main/kotlin/io/smnp/SMNP.kt
+++ b/src/main/kotlin/io/smnp/SMNP.kt
@@ -1,5 +1,21 @@
 package io.smnp
 
-fun main(args: Array<String>) {
+import io.smnp.dsl.ast.parser.RootParser
+import io.smnp.dsl.token.tokenizer.DefaultTokenizer
+import io.smnp.evaluation.environment.Environment
+import io.smnp.evaluation.evaluator.RootEvaluator
 
+fun main(args: Array<String>) {
+    val code = "{ \"a\" -> [14, 15, 16], 4 -> @c }"
+    val tokenizer = DefaultTokenizer()
+    val parser = RootParser()
+    val evaluator = RootEvaluator()
+
+    val lines = code.split("\n")
+    val tokens = tokenizer.tokenize(lines)
+    val ast = parser.parse(tokens)
+
+    val value = evaluator.evaluate(ast.node, Environment())
+
+    println(value)
 }
\ No newline at end of file
diff --git a/src/main/kotlin/io/smnp/evaluation/evaluator/DefaultEvaluator.kt b/src/main/kotlin/io/smnp/evaluation/evaluator/DefaultEvaluator.kt
new file mode 100644
index 0000000..61ff100
--- /dev/null
+++ b/src/main/kotlin/io/smnp/evaluation/evaluator/DefaultEvaluator.kt
@@ -0,0 +1,21 @@
+package io.smnp.evaluation.evaluator
+
+import io.smnp.dsl.ast.model.node.*
+import io.smnp.evaluation.environment.Environment
+import io.smnp.evaluation.evaluator.Evaluator.Companion.forward
+import io.smnp.evaluation.evaluator.Evaluator.Companion.oneOf
+import io.smnp.evaluation.model.entity.EvaluatorOutput
+
+class DefaultEvaluator : Evaluator {
+    override fun evaluate(node: Node, environment: Environment): EvaluatorOutput {
+        return oneOf(
+            forward(IntegerLiteralEvaluator(), IntegerLiteralNode::class),
+            forward(FloatLiteralEvaluator(), FloatLiteralNode::class),
+            forward(StringLiteralEvaluator(), StringLiteralNode::class),
+            forward(BoolLiteralEvaluator(), BoolLiteralNode::class),
+            forward(NoteLiteralEvaluator(), NoteLiteralNode::class),
+            forward(ListEvaluator(), ListNode::class),
+            forward(MapEvaluator(), MapNode::class)
+        ).evaluate(node, environment)
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/io/smnp/evaluation/evaluator/ListEvaluator.kt b/src/main/kotlin/io/smnp/evaluation/evaluator/ListEvaluator.kt
index 83228c6..d60d13c 100644
--- a/src/main/kotlin/io/smnp/evaluation/evaluator/ListEvaluator.kt
+++ b/src/main/kotlin/io/smnp/evaluation/evaluator/ListEvaluator.kt
@@ -8,7 +8,7 @@ import io.smnp.evaluation.model.entity.EvaluatorOutput
 
 class ListEvaluator : Evaluator {
     override fun evaluate(node: Node, environment: Environment): EvaluatorOutput {
-        val atomEvaluator = RootEvaluator()
+        val atomEvaluator = DefaultEvaluator()
         val items = (node as ListNode).items
             .map { atomEvaluator.evaluate(it, environment) }
             .map { it.value!! }
diff --git a/src/main/kotlin/io/smnp/evaluation/evaluator/MapEvaluator.kt b/src/main/kotlin/io/smnp/evaluation/evaluator/MapEvaluator.kt
index c0c102a..4ffe8ee 100644
--- a/src/main/kotlin/io/smnp/evaluation/evaluator/MapEvaluator.kt
+++ b/src/main/kotlin/io/smnp/evaluation/evaluator/MapEvaluator.kt
@@ -9,7 +9,7 @@ import io.smnp.evaluation.model.entity.EvaluatorOutput
 
 class MapEvaluator : Evaluator {
     override fun evaluate(node: Node, environment: Environment): EvaluatorOutput {
-        val atomEvaluator = RootEvaluator()
+        val atomEvaluator = DefaultEvaluator()
         val value = (node as MapNode).items
             .map { it as MapEntryNode }
             .map { atomEvaluator.evaluate(it.key, environment).value!! to atomEvaluator.evaluate(it.value, environment).value!! }
diff --git a/src/main/kotlin/io/smnp/evaluation/evaluator/RootEvaluator.kt b/src/main/kotlin/io/smnp/evaluation/evaluator/RootEvaluator.kt
index 2a5dcac..69206aa 100644
--- a/src/main/kotlin/io/smnp/evaluation/evaluator/RootEvaluator.kt
+++ b/src/main/kotlin/io/smnp/evaluation/evaluator/RootEvaluator.kt
@@ -1,21 +1,25 @@
 package io.smnp.evaluation.evaluator
 
-import io.smnp.dsl.ast.model.node.*
+import io.smnp.dsl.ast.model.node.Node
+import io.smnp.dsl.ast.model.node.RootNode
 import io.smnp.evaluation.environment.Environment
-import io.smnp.evaluation.evaluator.Evaluator.Companion.forward
-import io.smnp.evaluation.evaluator.Evaluator.Companion.oneOf
 import io.smnp.evaluation.model.entity.EvaluatorOutput
+import io.smnp.evaluation.model.enumeration.EvaluationResult
 
 class RootEvaluator : Evaluator {
     override fun evaluate(node: Node, environment: Environment): EvaluatorOutput {
-        return oneOf(
-            forward(IntegerLiteralEvaluator(), IntegerLiteralNode::class),
-            forward(FloatLiteralEvaluator(), FloatLiteralNode::class),
-            forward(StringLiteralEvaluator(), StringLiteralNode::class),
-            forward(BoolLiteralEvaluator(), BoolLiteralNode::class),
-            forward(NoteLiteralEvaluator(), NoteLiteralNode::class),
-            forward(ListEvaluator(), ListNode::class),
-            forward(MapEvaluator(), MapNode::class)
-        ).evaluate(node, environment)
+        if(node !is RootNode) {
+            return EvaluatorOutput.fail()
+        }
+
+        val evaluator = DefaultEvaluator()
+        for(child in node.children) {
+            val output = evaluator.evaluate(child, environment)
+            if(output.result == EvaluationResult.FAILED) {
+                return EvaluatorOutput.fail()
+            }
+        }
+
+        return EvaluatorOutput.ok()
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/io/smnp/evaluation/model/entity/EvaluatorOutput.kt b/src/main/kotlin/io/smnp/evaluation/model/entity/EvaluatorOutput.kt
index 8f0fd7b..fc8e1f4 100644
--- a/src/main/kotlin/io/smnp/evaluation/model/entity/EvaluatorOutput.kt
+++ b/src/main/kotlin/io/smnp/evaluation/model/entity/EvaluatorOutput.kt
@@ -4,6 +4,11 @@ import io.smnp.data.model.Value
 import io.smnp.evaluation.model.enumeration.EvaluationResult
 
 class EvaluatorOutput private constructor(val result: EvaluationResult, val value: Value?) {
+
+    override fun toString(): String {
+        return "${result.name.toLowerCase()}(${value ?: ""})"
+    }
+
     companion object {
         fun ok(): EvaluatorOutput {
             return EvaluatorOutput(EvaluationResult.OK, null)