#include<bits/stdc++.h>
using namespace std;
int main(){
    string a;
    cin>>a;
    cout<<a.substr(a.find(',')+1,a.size())<<",";
    cout<<a.substr(0,a.find(','));
    return 0;
}
/**************************************************************
	Problem: 1116
	User: chenmingyu
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/