#include<iostream>

#include<cstring>

using namespace std;

int main()

{

   char s[256];

   cin.get(s,256);

   char *p=strtok(s," ");

   while(p)

   {

       if(strlen(p)==3)

           cout<<'*';

       else

           cout<<p;

       cout<<" ";

       p=strtok(NULL," ");

   }

}