using System;

public class Program

{

    static double Average(int num1, int num2)

    {

        double avg;

        avg = (num1+num2)/2.0;

        return avg;

    }

    public static void Main()

    {

        int a,b;

        double c;

        Console.WriteLine("Enter first number");

        a = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Enter second number");

        b = Convert.ToInt32(Console.ReadLine());

        c = Average(a,b);

        Console.WriteLine("Average is {0}", c);

        Console.ReadLine();

    }

}