add two numbers in c#
using System;
namespace Add{
	public class Program{
		public static int addition(int a, int b){
			return (a+b);
		}
		public static void Main(){
			int a,b;
			int sum;
			Console.Write("Enter first number: ");
			a = Convert.ToInt32(Console.ReadLine());
			Console.Write("Enter second number: ");
			b = Convert.ToInt32(Console.ReadLine());
			sum = addition(a,b);
			Console.WriteLine("Sum is: " + sum);
		}
	}
}
