// yukicoder: No.593 4進FizzBuzz
// 2019.4.19 bal4u

#include <stdio.h>

#if 1
#define gc() getchar_unlocked()
#define pc(c) putchar_unlocked(c)
#else
#define gc() getchar()
#define pc(c) putchar(c)
#endif

int s3, s5;
char N[2000005];

void ins(char *s)  // 文字列の入力　スペース以下の文字で入力終了
{
	int k = 0, c;
	while (1) {
		*s = c = gc();
		if (*s++ < ' ') break;
		c &= 3, s3 += c;
		if (k++ & 1) s5 += c;
	}
	s5 = (s5 << 1) - s3;
	*--s = 0;
}

void outs(char *s) { while (*s) pc(*s++); pc('\n'); }

int main()
{
	ins(N);
	if (s3 % 3 == 0 && s5 % 5 == 0) outs("FizzBuzz");
	else if (s3 % 3 == 0) outs("Fizz");
	else if (s5 % 5 == 0) outs("Buzz");
	else outs(N);
	return 0;
}