using System;
using System.Windows.Forms;
using System.Drawing;

class form1: Form {
    TextBox bo1;
    form1() {
        Text = "fizzbuzz";
        ClientSize = new Size(300, 300);
        bo1 = new TextBox();
        bo1.Location = new Point(50, 80);
        bo1.Width = 200;
        bo1.Height = 200;
        bo1.Multiline = true;
        Controls.AddRange(new Control[] {
            bo1
        });
        Button btn1 = new Button();
        btn1.Location = new Point(50, 50);
        btn1.Text = "test";
        btn1.Click += btn1_Click;
        Controls.AddRange(new Control[] {
            btn1
        });
    }
    void btn1_Click(object sender, System.EventArgs e) {
        int a = 0;
        int b = 0;
        Random r = new Random();
        string res = "";
        do
        {
            if (a == 0)
            {
                b++;
            }
            else
            {
                b = 0;
            }
            a = r.Next(2);
            if (a == 0)
            {
                res += "ズン ";
            }
            else
            {
                res += "ドコ ";
            }
        } while (!(a == 1 && b > 4));
        res += "キ・ヨ・シ！！";
        bo1.Text = res;
    }
    [STAThread]
    public static void Main() {
        Application.Run(new form1());
    }
}