include<bits stdc++.h="">
include<string.h>
include<stdlib.h>
using namespace std;
int main() { string str1="10"; int i=0; while(str1[i]!='!') { i++; } // string str2=str1.substr(i+1,str1.length()); // cout<<str2; int k; k= stoi( str1 ); cout<<k; return 0; }