#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")

char*mmap();
#define RD(v) int v=0;{int _c;while(_c=*rp++-48,_c>=0)v=v*10+_c;}

main(){
	char*rp=mmap(0l,1l<<28,1,2,0,0ll);
	char*wp=rp;
	int a3=0,a5=0;
	int c;
	while(c=*rp++-48,c>=0){
		a3+=c;
		a5=c-a5;
	}
	if(a3%3){
		if(a5%5){
			write(1,wp,rp-wp);
		}else{
			write(1,"Buzz",4);
		}
	}else{
		if(a5%5){
			write(1,"Fizz",4);
		}else{
			write(1,"FizzBuzz",8);
		}
	}
	_exit(0);
}