using System;
class Program {

	public static string Answer(int i) {
		string res = null;
		
		
		if(i%3==0) res = "fizz";
		if(i%5==0) res += "buzz";
		if(i%3!=0 && i%5!=0) res = Convert.ToString(i);
		return res;
	}
	public static void Main() {
		int[] t = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
		for(int i=0; i<t.Length;i++){
			Console.WriteLine(Answer(t[i]));
		}
	}
}