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

int main() {
  std::string s;
  std::cin >> s;
  int i = 0;
  while(s[i]){
    // printf("%c\n",s[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(&s[i]) / pownum10;

    int temp = digit * pownum4;
    // printf("%c\n",s[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);
  std::cout << output << std::endl;
  return 0;
}
else{
  std::cout << s << std::endl;
  return 0;
}

}