#include <iostream>
#include <string.h>
using namespace std;

int main()
{
    char s[256];
    cin.getline(s, 256);
    int len = strlen(s);

    for (int i = 0; i < len; i++)
    {
        if ( (s[i + 3] == ' ' || s[i+3]==NULL ) && (i==0 || s[i-1]==' '))
        {
            s[i]='*';
            strcpy(s+i+1, s+i+3);
        }
    }

    cout << s;

    return 0;
}