using System;

public class Program

{

    public static void Main()

    {

        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");

}

}