#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,s1.size-p-1);
	cout<<s3<<","<<s2;
	
	

	return 0;
}

/**************************************************************
	Problem: 1116
	User: zhuanghaoxiang
	Language: C++
	Result: Compile Error
****************************************************************/