public class Node
{
    private int info;
    private Node next;
    public Node(int x)
    {
        this.info = x;
        this.next = null;
    }
    public Node(int x, Node next)
    {
        this.info = x;
        this.next = next;
    }
    public override string ToString()
    {
        return " " + this.info;
    }
    public void SetInfo(int x)
    {
        this.info = x;
    }
    public int GetInfo()
    {
        return this.info;
    }
    public void SetNext(Node next)
    {
        this.next = next;
    }
    public Node GetNext()
    {
        return this.next;
    }
}