using System;

public class Program

{

    public static void Main()

    {

        //Write a C program to find the largest of three numbers.

        int num1, num2, num3;

    Console.Write("\n\n");

    Console.Write("Find the largest of three numbers:\n");

    Console.Write("------------------------------------");

    Console.Write("\n\n");

​

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

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

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

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

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

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

  if (num1 > num2)

    {

        if (num1 > num3)

        {

            Console.Write("The 1st Number is the greatest among three. \n\n");

        }

        else

        {

            Console.Write("The 3rd Number is the greatest among three. \n\n");

        }

    }

    else if (num2 > num3)

        Console.Write("The 2nd Number is the greatest among three \n\n");

    else

        Console.Write("The 3rd Number is the greatest among three \n\n");

    }

}