diff --git a/u8/program.py b/u8/program.py
index 82c541f..520b609 100644
--- a/u8/program.py
+++ b/u8/program.py
@@ -1,6 +1,22 @@
+class Node:
+    def __init__(self, text):
+        self.text = text
+        self.yes = None
+        self.no = None
+
+
+
 
 def main():
-    pass
+    lines = []
+
+    print("Expert zo zoo to vie.")
+    while True:
+        line = input()
+        if line == "":
+            break
+        lines.append(line)
+
 
 if __name__ == "__main__":
     main()