using System;

​

int num1;

int num2;

int result;

​

Console.WriteLine("Enter first number");

num1=int.Parse(Console.ReadLine());

Console.WriteLine("Enter the second number");

num2=int.Parse(Console.ReadLine());

result = num1-num2;

Console.WriteLine(result);

result = num1*num2;

Console.WriteLine(result);

result = num1+num2;

Console.WriteLine(result);