diff --git a/system.py b/system.py
index fb55739..360e2bd 100644
--- a/system.py
+++ b/system.py
@@ -1 +1,29 @@
-#tu będzie system o imieniu 
\ No newline at end of file
+NAME = 'ABC'
+
+class NaturalLanguageUnderstanding():
+    def __init__(self, text):
+        self.text = text
+    def textToFrame():
+        pass
+
+class DialogueStateTracker():
+    def __init__(self, frame):
+        self.frame = frame
+    def NLUFrameToDSTFrame():
+        pass
+
+class DialoguePolicy():
+    def __init__(self, frame):
+        self.frame = frame
+    def DSTFrameToDPFrame():
+        pass
+
+class NaturalLanguageGeneration():
+    def __init__(self, frame):
+        self.frame = frame
+    def DPFrameToText():
+        pass
+
+if __name__ == "__main__":
+
+    print(f"Hello World. I am {NAME}")
\ No newline at end of file