using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        byte[] result = test("20;20");

        Console.WriteLine(result[0].ToString());

        Console.WriteLine(result[1].ToString());

        Console.WriteLine(System.Text.Encoding.ASCII.GetString(result));

    }

    public static byte[] test(string value){

        byte[] byteValue;

        int offset = System.Convert.ToInt32(System.Convert.ToByte(' '));

        int[] splittedTerm = value.Split(";").Select(x => System.Convert.ToInt32(x)).ToArray();

        byteValue = new byte[2];

        byteValue[0] = System.Convert.ToByte(splittedTerm[0] + offset);

        byteValue[1] = System.Convert.ToByte(splittedTerm[1] + offset);

        return byteValue;

    }

}