#include <iostream>
#include <stdlib.h>
#include <stdio.h>

int main(int argc, char const *argv[]) {
  int i = 0;
  while(argv[1][i]){
    printf("%c\n",argv[1][i] );
    i++;
  }
  int len = i;

  int output = 0;
  int pownum4 = 1;
  int pownum10 = 1;

  for(int i=len-1;i>=0;i--){
    int digit = atoi(&argv[1][i]) / pownum10;

    int temp = digit * pownum4;
    // printf("%c\n",argv[1][i] );
    // printf("%i\n",temp );
    output += temp;

    pownum4 = pownum4 * 4;
    pownum10 = pownum10 * 10;
  }

  std::string outstr = "";
  bool flg = true;
if(output%3==0){
  outstr += "Fizz";
  flg = false;
}
if(output%5==0){
  outstr += "Buzz";
  flg = false;
}
if(flg){
  printf("%i\n", output);
  return 0;
}
else{
  printf("%s\n",outstr.c_str() );
  return 0;
}

}