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

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        char[] str;

        int u;
        private void button1_Click(object sender, EventArgs e)
        {
            string a = textBox1.Text;
            char[] arr;
            arr = a.ToCharArray();

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

                int y = int.Parse(arr[i].ToString());
                y = y ^ i;
                str[i] = Convert.ToChar(y);


            }
            for (int x = 0; x <= str.Length; x++)
            {
                u = int.Parse(str[x].ToString()) + int.Parse(str[x + 1].ToString());
                u = u + int.Parse(str[x + 2].ToString());

            }
            textBox2.Text = u.ToString();
        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {

        }
    }
}