import java.math.BigInteger;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.Scanner;

public class Main {
	
	public static long MOD = 1000000007;
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		final long N = sc.nextLong(4);
		
		if(N % 15 == 0){
			System.out.println("FizzBuzz");
		}else if(N % 5 == 0){
			System.out.println("Buzz");
		}else if(N % 3 == 0){
			System.out.println("Fizz");
		}else{
			System.out.println(N);
		}
		
	}
}