#include<bits/stdc++.h>
using namespace std;
int main(){
	string s,s1,s2;
	cin>>s;
	int ldc=s.find(',');
	s1=s.substr(0,ldc); 
	s2=s.substr(ldc+1,s.size()-ldc-1);
	cout<<s2+','+s1;
}
/**************************************************************
	Problem: 1116
	User: linweilun
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2076 kb
****************************************************************/