#include <stdio.h>

int main(void)
{
char a[11]="HellowWorld", b[11], c[11];
int i;

for(i=0 ; i<11 ; i++){
b[i] = a[i];

if(b[i]=='W' || b[i]=='w') c[i] = '*';
else c[i] = b[i];

if(c[i] == 'o') printf("OOOOO");
else printf("%c", c[i]);
}

printf("\n");

return(0);
}