#include<bits/stdc++.h> using namespace std; int main() { string s; cin>>s; int s2=s.find(','); int s3=s.size(); for(int i=s2+1;i<s3;i++) { cout<<s[i]; } cout<<','; for(int i=0;i<=s2-1;i++) { cout<<s[i]; } return 0; } /************************************************************** Problem: 1116 User: wangyuxin Language: C++ Result: Accepted Time:7 ms Memory:2076 kb ****************************************************************/