using System;

class Program
{

    static void Main()
    {
        
        int N = int.Parse(Console.ReadLine());

        for (int i = 1; i <= N; i++)
        {
            
            Console.Write(fizzbuzz(i));
            
        }
        String fizzbuzz (int x)
        {
            if(x % 3 == 0 & x % 5 == 0)
            { return ("fizzBuzz"); }
            if(x % 3 == 0)
            { return ("fizz"); }
            if (x % 5 == 0)
            { return ("Buzz"); }
            return x.ToString();
        }
    }

}