import java.util.*;

class Main {

	private static final String SPLIT_STR = " ";
	private static final String STR_CASE_3 = "Fizz";
	private static final String STR_CASE_5 = "Buzz";

	public static void main(String[] args) {
		// Scanner生成
		Scanner sc = new Scanner(System.in);
		// 入力設定
		String input = sc.nextLine();
		int num = Integer.parseInt(input);
		// Scannerクローズ
		sc.close();

		// 変数設定
		String result = "";
		int remain3 = num % 3;
		int remain5 = num % 5;
		// メイン処理
		if (remain3 == 0 && remain5 == 0) {
			result = STR_CASE_3 + STR_CASE_5;
		} else if (remain3 == 0) {
			result = STR_CASE_3;
		} else if (remain5 == 0) {
			result = STR_CASE_5;
		}

		// 出力
		System.out.println(result);
	}
}