using System;

public class Program

{

    public static void Main()

    {

            Console.Write("Enter a numer: ");

            double num1 = Convert.ToDouble(Console.ReadLine());

            Console.Write("Enter a numer: ");

            double num2 = Convert.ToDouble(Console.ReadLine());

            Console.WriteLine(num1 + num2);

            Console.ReadLine();

​

​

    }

}