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 Polinom_final
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            int a = Convert.ToInt32(textBox1.Text);

            // a / 1000 + a / 100 % 10 == a % 100 / 10 + a % 10;
            int b = a / 1000 + a / 100 % 10;
            int c = a % 100 / 10 + a % 10;

            var result = c == b ? textBox2.Text = "True" : textBox2.Text = "False";
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            //textBox1.Text = 9889.ToString();
        }
    }
}