using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Unesite n brojeva:");

        int nth = int.Parse(Console.ReadLine());

​

        Console.WriteLine("Rezultat je: {0}", DoubleIt(nth));

    }

​

    public static int DoubleIt(int nth)

    {

        int sum = 0;

        Console.WriteLine("Unesite broj:");

​

        for (int i = 0; i < nth; i++)

        {

            int number = int.Parse(Console.ReadLine());

            sum += number * 2;

        }

​

        return sum;

​

​

    }

}