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 WindowsFormsApplication3
{
    public partial class Form1 : Form
    {

        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {

            {
                for (int i = 1; i <= (Convert.ToInt32(textBox1.Text)); i++)
                {
                    if (i % 2 == 1)
                    {
                        lstBox1.Items.Add(i);
                    }
                    {
                        int toplam = 0;
                        for (int j = 0; j < lstBox1.Items.Count; j++)
                        {

                            toplam += Convert.ToInt32(lstBox1.Items[j]);
                        }
                        TekSayi.Text = toplam.ToString();
                    }

                }
            }
            {
                for (int a = 1; a <= (Convert.ToInt32(textBox1.Text)); a++)
                {
                    if (a % 2 == 0)
                    {
                        lstBox2.Items.Add(a);
                    }
                    {
                        int toplamcift = 0;
                        for (int k = 0; k < lstBox2.Items.Count; k++)
                        {

                            toplamcift += Convert.ToInt32(lstBox2.Items[k]);
                        }
                        CiftSayi.Text = toplamcift.ToString();
                    }

                }
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {

        }
    }
}