using System;

​

public class Program

{

    public static void Main()

    {

        StringNode word=new StringNode("");

        StringNode pos

    }

}

​

public class StringNode

{

    private string value;

    private StringNode next;

    public StringNode(string x)

    {

        this.value = x;

        this.next = null;

    }

​

    public StringNode(string x, StringNode next)

    {

        this.value = x;

        this.next = next;

    }

​

    public string Getvalue()

    {

        return (this.value);

    }

​

    public StringNode GetNext()

    {

        return (this.next);

    }

​

    public bool HasNext()

    {

        return (this.next != null);

    }

​

    public void SetValue(string x)

    {

        this.value = x;

    }

​

    public void SetNext(StringNode next)

    {

        this.next = next;

    }

​

    public override string ToString()

    {

        return (" " + this.value);

    }

}