C# Program to add two numbers

Program

using System;
namespace add_two_numbers
{
	class AddTwoNumbers
	{
		static void Main(String[] args)
		{
			int a, b;
			Console.Write("Enter first number:\t");
			a = int.Parse(Console.ReadLine());
			Console.Write("Enter second number:\t");
			b = int.Parse(Console.ReadLine());
			int sum = a + b;
			Console.WriteLine("Sum of two numbers: " + sum);
		}
	}
}

Output

$ mcs AddTwoNumbers.cs 
$ mono AddTwoNumbers.exe
Enter first number:	34
Enter second number:	567
Sum of two numbers: 601