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

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