#include<bits/stdc++.h>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
using namespace std;
int main(){
  char a[100],c[100],s[100];
  int i;
  gets(a);
  for(i=0;a[i]!=',';i++){
  s[i]=a[i];
    }
  s[i]='\0'; 
  int k=0;
  for(i=i+1;a[i]!='\0';i++){
  c[k]=a[i];
  k++;
  }
  c[k]='\0';
  cout<<c<<','<<s;
return 0;
}
/**************************************************************
	Problem: 1116
	User: wangyousi
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2076 kb
****************************************************************/