using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace Encrypten_en_Decrypten
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void button1_Click_1(object sender, EventArgs e)
        {
            {
                var codes = new[] { 2, 1, 0, 0, 2, 0, 2, 0, 0, 1, 0, 1, 1, 1 };
                textBox2.Text = new String(textBox1.Text.Select((c, index) => (char)(c + codes[index % codes.Length])).ToArray());
            }
        }
        private void button2_Click_1(object sender, EventArgs e)
        {
            var codes = new[] { 2, 1, 0, 0, 2, 0, 2, 0, 0, 1, 0, 1, 1, 1 };
            textBox3.Text = new String(textBox2.Text.Select((c, index) => (char)(c - codes[index % codes.Length])).ToArray());
        }







    }
}