using System;

public class Program

{

    public static void increment(ref int[] test, int inc)

    {

        for (int i = 0; i < test.Length; i++)

                test[i] +=inc;

    }

    public static void Main()

    {

        int[] test = {1, 2, 3};

        Console.WriteLine("Original:");

        for (int i = 0; i < test.Length; i++)

            Console.Write($"{test[i]} ");

        Console.WriteLine();

        Console.Write("Enter increment value: ");

        if (int.TryParse(Console.ReadLine(), out int inc))

        {

            increment(ref test, inc);

            Console.WriteLine("Incremented:");

            for (int i = 0; i < test.Length; i++)

            {

                Console.Write($"{test[i]} ");

            }

        }

    }

}