using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter 1st number:");

        string str1=Console.ReadLine();

        Console.WriteLine("Enter 2nd number:");

        string str2=Console.ReadLine();

        Console.WriteLine("Enter choice 1.Add 2.Subtract:");

        int choice= Convert.ToInt32(Console.ReadLine());

​

/*if(choice==1){

int total=Convert.ToInt32(str1)+Convert.ToInt32(str2);

Console.WriteLine("total is="+total);

}

if(choice==2){

int total=Convert.ToInt32(str1)-Convert.ToInt32(str2);

Console.WriteLine("total is="+total);

        int choice = Convert.ToInt32(Console.ReadLine());*/

​

            int choice1 = int.MaxValue;

​

            Console.WriteLine(choice1);

​

            Console.WriteLine("Choice1 after adding 1");

            int num2 = choice1 + 1;

​

                Console.WriteLine(num2);

​

            /*checked

            {

​

                int num2 = choice1 + 1;

​

                Console.WriteLine(num2);

​

            }*/

​

​

    }

}