hm

TaskA40/run

@@ -0,0 +1,15 @@
+#!/usr/bin/python3
+
+import re
+
+def is_number(test):
+    pattern = re.compile(r'^(1 roczek)|(2 latka)|(3 latka)|(4 latka)|(\d{1,2} (lat))$')
+    
+    result = re.match(pattern, test)
+    if result:
+        return "yes"
+    else:
+        return "no"
+
+for line in sys.stdin:
+	print(is_number(line))