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();
		if (div(s,15)) {out.println("FizzBuzz");}
		else if (div(s,5)) {out.println("Buzz");}
		else if (div(s,3)) {out.println("Fizz");}
		else {out.println(s);}
	}
	static boolean div (String s, int n) {
		int temp = 0;
		for (int i=0; i<s.length(); i++) {
			temp = (temp*4+Character.getNumericValue(s.charAt(i)))%n;
		}
		if (temp==0) {return true;}
		return false;
	}
}