#include <stdio.h>
#include <string.h>

int main()
{
  char n[2000001];
  int n10,temp,i,len,four;
  gets(n);
  len = strlen(n)-1;
  n10 = 0;
  four = 1;
  while(len >= 0){
    temp = n[len] - '0';
    n10 += temp * four;
    four *= 4;
    len--;
  }
  if(n10 % 15 == 0){
    printf("FizzBuzz");
  }else if(n10 % 3 == 0){
    printf("Fizz");
  }else if(n10 % 5 == 0){
    printf("Buzz");
  }else{
    printf("%s",n);
  }
  printf("\n");
  return(0);
}