#include <stdio.h> 
#include <math.h>
#define DEBUG

short N[50];

void getdigits(long long int num,short* N,short l){
	int i;
	for (i = 0;i < l;i++){
		N[i] = num % 10;
		num /= 10;
	}

	#ifdef DEBUG

	for (i = 0;i < l;i ++){
		printf("N[%d]==>%d\n",i,N[i]);
	}

	#endif
}

int main (void){
	long long int tmp;

	short l;
	short i;
	short check3 = 0;
	short check5 = 0;

	scanf("%lld",&tmp);
	l = (short)log10((double)tmp) + 1;

	getdigits(tmp,N,l);

	for (i = 0;i < l;i ++){
		check3 += N[i];
		if (i%2 == 0){
			check5 += N[i];
		}
		else{
			check5 -= N[i];
		}
	}



	if ((check3 % 3 == 0) && (check5 % 5 == 0)){
		printf("FizzBuzz\n");
	}
	else if (check3 % 3 == 0) { 
		printf("Fizz\n");
	}
	else if (check5 % 5 == 0) {
		printf("Buzz\n");
	}
	else {
		printf("%lld\n",tmp);
	}
	return 0;
}