using System;

public class Program

{//6411250019 lob 15-2

    public static void Main()

    {

        Double n1, n2, n3, n; 

        Console.Write("Input n1:");

        n1= Convert.ToDouble(Console.ReadLine());

        Console.WriteLine("Input n2:");

        n2= Convert.ToDouble(Console.ReadLine());

        Console.WriteLine("Input n3:");

        n3= Convert.ToDouble(Console.ReadLine());

        n= (n1+n2+n3)/ 3;

        if(n>=0 && n<=10)

            Console.WriteLine("The result {0} is betaween 0-10",n);

        else if(n>10)

            Console.WriteLine("The result {0} is betaween 10 or more",n);

        else

            Console.WriteLine("The result {0} is out of range",n);

    }

}

​

​

​