using System;

public class Node

{

    private int Value;

    private Node Next;

    public Node(int Value)

    {

        this.Value = Value;

        this.Next = null;

    }

    public bool HasNext()

    {

        return (this.Next != null);

    }

    public int GetValue()

    {

        return this.Value;

    }

    public void setValue(int alue) 

    {

        this.Value = alue;

    }

    public Node GetNext() 

    {

        return Next;

    }

     public void setNext(Node next) 

     {

         this.Next = next;

     }

}

​

public class Program

{

    public static void Main()

    {

        Node Head = null;

        Head = InsertFirst(Head,12);

        Head = InsertFirst(Head,53);

        Head = InsertFirst(Head,58);

        Head = InsertFirst(Head,32);

        Head = InsertFirst(Head,42);

        Head = InsertFirst(Head,68);

        Head = InsertFirst(Head,81);

        Console.WriteLine(CountLarge(Head));

    }

    public static  Node InsertFirst(Node Head, int Value)

    {

        Node n = new Node(Value);

        if(Head == null)

            Head = n;

        else

        {

            n.setNext(Head);

            Head = n;

        }

        return Head;

    }

    public static int CountLarge(Node Head)

    {

        Node P = Head;

        int counter = 0;

        int FirstDig, SecDig;

        while(P != null)

        {

            FirstDig = P.GetValue() % 10;

            SecDig = P.GetValue() / 10;

            if(SecDig > FirstDig)

                counter ++;

            P = P.GetNext();

        }

        return counter;

    }

}

​

​