using System;

public class Program

{

    public static void Main()

    {

        int num1, num2, num3;

​

        Console.Write("Enter the 1st number :");

        num1 = Convert.ToInt32(Console.ReadLine());

        Console.Write("Enter the  2nd number :");

        num2 = Convert.ToInt32(Console.ReadLine());

        Console.Write("Enter the 3rd  number :");

        num3 = Convert.ToInt32(Console.ReadLine());

        if (num1 > num2)

        {

            if (num1 > num3)

            {

                Console.Write("The 1st Number is the biggest. \n\n");

            }

            else

            {

                Console.Write("The 3rd Number is the biggest. \n\n");

            }

        }

        else if (num2 > num3)

            Console.Write("The 2nd Number is the biggest.  \n\n");

        else

            Console.Write("The 3rd Number is the biggest. \n\n");

    }

}