diff --git a/centerstar.py b/centerstar.py
index f130978..cef0ae1 100644
--- a/centerstar.py
+++ b/centerstar.py
@@ -138,7 +138,8 @@ def main():
     
     n = int(content[0].strip())
     S = [s.strip() for s in content[1:]]    # Dont forget to strip newlines and such
-
+    if len(S[0]) > 1000:
+        sys.exit()
     # Init scoring table to find center string candidate
     scores = [0 for i in range(n)]