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 WindowsFormsApp4
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string s = "";
            string str = textBox1.Text;
            char[] ar = str.ToCharArray();
            Array.Sort(ar);

            for (int i = 0; i < ar.Length; i++)
            {
                s = s + ar[i] + ' ';
            }

            label1.Text = s;
        }
    }
}