#include <iostream>

using namespace std;

int main()
{
    string s ; int i ;
    cout << "please Enter the message" ;
    cin >> s ;
    for ( i = 0 ; i < s.length()  ; i++ )
 {
     if ( s[i] == ' , '  ){
        s[i] = ' ' ;
    }
     cout << s[i] ;
 }
    return 0;
}