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 Biletiki
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        string S1 = "";
        string S2 = "";
        int a1, a2, a3, b1, b2, b3;
        List<string> s1 = new List<string>();
        List<string> s2 = new List<string>();



        List<string> s3 = new List<string>();

        List<int> ig = new List<int>();
        int[] w = new int[1000];

        private void button1_Click_1(object sender, EventArgs e)
        {
            for (int i = 0; i < 1000; i++)
                w[i] = 0;
            for (a1 = 0; a1 <= 9; a1++)
                for (a2 = 0; a2 <= 9; a2++)
                    for (a3 = 0; a3 <= 9; a3++)
                        for (b1 = 0; b1 <= 9; b1++)
                            for (b2 = 0; b2 <= 9; b2++)
                                for (b3 = 0; b3 <= 9; b3++)
                                {
                                    s1.Add(Convert.ToString(a1) + Convert.ToString(a2) + Convert.ToString(a3) + Convert.ToString(b1) + Convert.ToString(b2) + Convert.ToString(b3));
                                    if (a1 + a2 + a3 == b1 + b2 + b3) s2.Add(Convert.ToString(a1) + Convert.ToString(a2) + Convert.ToString(a3) + Convert.ToString(b1) + Convert.ToString(b2) + Convert.ToString(b3));
                                }
            richTextBox1.Text = Convert.ToString(s1.Count);
            richTextBox2.Text = Convert.ToString(s2.Count);
        }

        private void button2_Click_1(object sender, EventArgs e)
        {
            for (int i = 0; i < s2.Count; i++)
            {
                S2 = S2 + s2[i] + " ";
            }
            richTextBox2.Text = S2;
            a();
        }


        void a()
        {
            for (int i = 0; i < s2.Count; i++)
            {
                w[Convert.ToInt32(s2[i]) / 1000]++;
            }

            for (int i = 0; i < 1000; i++)
            {
                string j = "";
                string N = "В";
                if (i == 1)
                    N = "Во";
                if (w[i] == 1)
                {
                    j = "билет";
                }
                else
                {
                    if (w[i] <= 20 && w[i] != 0)
                    {
                        if (w[i] >= 2 && w[i] <= 4)
                            j = "билета";
                        if (w[i] >= 5 && w[i] <= 20)
                            j = "билетов";
                    }
                    else
                    {
                        if (w[i] % 10 >= 2 && w[i] % 10 <= 4)
                            j = "билета"; ;
                        if (w[i] % 10 >= 5 && w[i] % 10 <= 9)
                            j = "билетов";
                        if (w[i] % 10 == 1)
                            j = "билет";
                        if (w[i] % 10 == 0)
                            j = "билетов";
                    }
                }

                N = N + " " + Convert.ToString(i + 1) + " тысяче " + Convert.ToString(w[i]) + " " + j;
                s3.Add(N);
            }
            S1 = "";
            for (int i = 0; i < s3.Count; i++)
            {
                S1 = S1 + s3[i] + "\n";
            }
            richTextBox3.Text = S1;

        }
    }
}