#include <stdio.h>
char S[15]="";
int N,t;
int main(void){
    while(scanf("%1d",&t)!=EOF){
        sprintf(S,"%s%d",S,t);
        N<<=2;
        N+=t;
    }
    if(N%15==0){
        printf("FizzBuzz\n");
    } else if(N%3==0){
        printf("Fizz\n");
    } else if(N%5==0){
        printf("Buzz\n");
    } else printf("%s\n",S);
    return 0;
}