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using System;
using System.Linq;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;

class Collatz
{
	static int Steps(long n) {
		int result = 0;
		while (n > 1) {
			if (n % 2 == 0)
				n /= 2;
			else {
				n = 3 * n + 1;
				result++;
			}
		}
		return result;
	}

	static void Main() {
		List<int> zerfall = new List<int> ();
		for (int i = 1; i < 1024; i += 2) {
			int tmp = Steps (i);
			while (zerfall.Count <= tmp)
				zerfall.Add (0);
			zerfall [tmp]++;
		}
		Chart chart = new Chart ();
		Series series = new Series ();
		for (int i = 0; i < zerfall.Count; i++) {
			Console.WriteLine (i + ": " + zerfall [i]);
			series.Points.AddXY (i, zerfall [i]);
		}
		chart.Series.Add (series);
		Form form = new Form ();
		chart.Dock = DockStyle.Fill;
		chart.Parent = form;
		form.Width = zerfall.Count;
		form.Height = zerfall.Max ();
		form.ShowDialog ();
	}
}