#include <stdio.h>

int main() {
  //실습1//
    printf("!\n"); 

   //실습2//
    printf("!\n");
    printf("!\n");
     printf("!\n"); 
   
    //실습3//
    printf("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n");
    
    
    
    
    
    return 0;
}