diff --git a/icpc/2018 ICPC East Central North America Regional Contest/A/main.py b/icpc/2018 ICPC East Central North America Regional Contest/A/main.py
index 69342d9..21ec366 100644
--- a/icpc/2018 ICPC East Central North America Regional Contest/A/main.py	
+++ b/icpc/2018 ICPC East Central North America Regional Contest/A/main.py	
@@ -21,7 +21,8 @@ def main():
         listeners.append(parse(dataset))
     spy = listeners.pop(0)
 
-    distances = sorted()
+    distances = sorted(list(map(lambda x : dist(spy, x), listeners)))
+    print(int(distances[:2][-1]))
 
 if __name__ == "__main__":
     main()
\ No newline at end of file