#include <stdio.h>
#include <stdlib.h>
#include <time.h>


int main(void){
    int r;
    srand(time(NULL));
	rand();
	rand();
	r = rand();
    if(r%3==0){
        printf("Hello\n");
    }else if(r%3==1){
        printf("Bye\n");
    }else if(r%3==2){
        printf("Bye\n");
    }
    return 0;
}