import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String N = scan.next();
		scan.close();
		int k = Integer.parseInt(N, 4);
		if(k % 15 == 0) {
			System.out.println("FizzBuzz");
		}else if(k % 3 == 0) {
			System.out.println("Fizz");
		}else if(k % 5 == 0) {
			System.out.println("Buzz");
		}else {
			System.out.println(N);
		}
	}
}