I was giving my first contest on codeforces yesterday but I got runtime error in answer I tried to figure our what was causing this but I didn't get anything can anyone please tell me where is the problem. Your help is much appreciated. Here is the link to the question that is "One and Two" -> https://codeforces.me/contest/1788/problem/A. Here is the link to my submission -> https://codeforces.me/contest/1788/submission/192907153