using System;
using System.Collections.Generic;
public class Node<T>
{
    public Node(T value)
    {
        this.Value = value;
        this.Children = new List<Node<T>>();
    }

    public T Value { get; set; }
    public IList<Node<T>> Children { get; private set; }

    public void PrintTree()
    {
        Console.WriteLine("Tree");
        this.Print(string.Empty, true);
    }

    private void Print(string prefix, bool isTail)
    {
        Console.WriteLine(prefix + (isTail ? "└── " : "├── ") + this.Value);
        for (int i = 0; i < this.Children.Count - 1; i++)
            this.Children[i].Print(prefix + (isTail ? "    " : "│   "), false);

        if (this.Children.Count >= 1)
            this.Children[this.Children.Count - 1].Print(prefix + (isTail ? "    " : "│   "), true);
    }
}