import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    long n = sc.nextLong();
    String b = String.valueOf(n);
    long a = 0;
    long c = 0;
    for(int i = 0; i < b.length(); i++) {
      long t = Long.parseLong(String.valueOf(b.charAt(b.length() - i - 1)));
      a += ((long)Math.pow(4, c) * t);
      c++;
    }
    String ans = String.valueOf(n);
    if(a % 3 == 0) {
      ans = "Fizz";
    }
    if(a % 5 == 0) {
      ans = "Buzz";
    }
    if((a % 3 == 0) && (a % 5 == 0)) {
      ans = "FizzBuzz";
    }
    System.out.println(ans);
  }
}