import java.util.*;
import static java.lang.System.*;

public class Main {
	static Scanner sc = new Scanner(System.in);
	public static void main(String[] args) {
		String s = sc.next();
		Long n = Long.parseLong(toNbase(s,4,10));
		if (n%15==0) {out.println("FizzBuzz");}
		else if (n%5==0) {out.println("Buzz");}
		else if (n%3==0) {out.println("Fizz");}
		else {out.println(n);}
	}
	static String toNbase (String sm, int m, int n) {
		return Long.toString(Long.parseLong(sm,m),n);
	}
}