#include <bits/stdc++.h>
using namespace std;
int main(){
	string s,s1,s2;
	cin>>s;
	int n;
	n=s.find(',');
	s1=s.substr(0,n);
	s2=s.substr(n+1,s.size()-1-n);
	cout<<s2+','+s1;
		

	
}


























/**************************************************************
	Problem: 1116
	User: chenlingxuan
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2076 kb
****************************************************************/