#include<bits/stdc++.h>
using namespace std;
int main()
{
    string s1,s2,s3;
    getline(cin,s1);
    int p=s1.find(',');
    s2=s1.substr(0,p);
    s3 = s1.substr(p+1);
    cout<<s3<<","<<s2;
    return 0;
}
/**************************************************************
	Problem: 1116
	User: wuyichen
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/