using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        for (int x = 1; x <= 100; x++)

        {

            Console.WriteLine("Current number = " + x.ToString());

​

            bool isMultipleOf3 = false;

            // if x multiple of 3

            if ((x % 3) == 0)

            {

                Console.Write("fizz");

                isMultipleOf3 = true;

            }

​

            bool isMultipleOf5 = false;

            // if x multiple of 5

            if ((x % 5) == 0)

            {

                Console.Write("buzz");

                isMultipleOf5 = true;

            }

​

            if (isMultipleOf3 || isMultipleOf5)

            {

                Console.WriteLine("");

            }

        }

    }

}