using System;

using System.Text;

public class Program

{

    public static void Main()

    {

        //Please print results to the console.

        //Rules:

        //1. Create a FizzBuzz class

        //2. Create the class with a method that can take any number and return the full FizzBuzz result

        //3. The same FizzBuzz conditionals apply

        //4. The expected result remains the same.

        FizzBuzzBLL obj = new FizzBuzzBLL();

        string result = obj.FizzBuzzGenerate(25);

        Console.WriteLine(result);

        Console.ReadLine();

    }

    public class FizzBuzzBLL 

    {

        public FizzBuzzBLL(){}

        public string FizzBuzzGenerate(int iLimit)

        {

            if(iLimit <= 0) return null;

            StringBuilder sb = new StringBuilder();

            for(int i =1 ; i<=iLimit; i++)

            {

            if((i%3) == 0 && (i%5) ==0)

               sb.AppendLine("FizzBuzz");

            else if(i%5 == 0)

                sb.AppendLine("Buzz");

            else if(i%3 ==0)

                sb.AppendLine("Fizz");

            else

                sb.AppendLine(i.ToString());

            }

            return sb.ToString();

        }

    }

}