#include<bits/stdc++.h>
using namespace std;
string a,b,c;
int main(){
    int d;
    cin>>a;
    for(int i=0;i<a.size();i++){
        if(a[i]==',') d=i;
    }
    for(int i=0;i<d;i++){
        b[i]=a[i];
    }
    for(int i=d+1;i<a.size();i++){
        c[i]=a[i];
    }
    for(int i=d+1;i<a.size();i++){
        cout<<c[i];
    }
    cout<<",";
    for(int i=0;i<d;i++){
        cout<<b[i];
    }
    return 0;
}
/**************************************************************
	Problem: 1116
	User: hongjiaming
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2076 kb
****************************************************************/