import java.util.Scanner;

public class FizzBuzz {

	public static void main(String[] args) {
		// 標準入力から読み込む際に、Scannerオブジェクトを使う。
        Scanner sc = new Scanner(System.in);

        // int １つ分を読み込む
        int number = sc.nextInt();
        
        System.out.println(judgeFizzBuzz(number));

	}

	private static String judgeFizzBuzz(int number) {
		if (number % 3 == 0 && number % 5 == 0) {
			return "FizzBuzz";
		}
		if (number % 3 == 0) {
			return"Fizz";
		}
		if (number% 5 == 0) {
			return"Buzz";
		}
		return String.valueOf(number);
	}

}