using System;

​

public class Node<T>

{

    private T value;

    private Node<T> next;

    public Node(T value)

    {

        this.value = value;

        next = null;

    }

​

    public Node(T value, Node<T> next)

    {

        this.value = value;

        this.next = next;

    }

​

    public T GetValue()

    {

        return value;

    }

​

    public Node<T> GetNext()

    {

        return next;

    }

​

    public void SetValue(T value)

    {

        this.value = value;

    }

​

    public void SetNext(Node<T> next)

    {

        this.next = next;

    }

​

    public override string ToString()

    {

        return value.ToString();

    }

}

​

public class Program

{

    public static bool ola(Node<int> n)

    {

        Node<int> pos = n;

        while (pos.GetNext() != null)

        {

            if (pos.GetValue() >= pos.GetNext().GetValue())

            {

                return false;

            }

​

            pos = pos.GetNext();

        }

​

        return true;

    }

​

    public static void Print(Node<int> n)

    {

        //ניצור מצביע שיעבור על שרשרת החוליות

        Node<int> pos = n;

        while (pos != null)

        {

            Console.WriteLine(pos.GetValue());

            pos = pos.GetNext();

        }

    }

​

    public static Node<int> bulid()

    {

        Node<int> pos = null;

        Node<int> head = null;

        int num;

        Console.WriteLine("enter number to end press -1");

        num = int.Parse(Console.ReadLine());

        while(num != -1)

        {

            if (head == null)

            {

                head = new Node<int>(num);

                pos = head;

            }

            else

            {

                pos.SetNext(new Node<int>(num));

                pos = pos.GetNext();

            }   

            Console.WriteLine("enter number to end press -1");

            num = int.Parse(Console.ReadLine());

        }

        return head;

    }

    public static Node<int> zogi(Node<int> tal)

    {

        Node<int> temp = null;

        Node<int> pos = tal;

        if (tal.GetValue() % 2 != 0)

        {

            tal = pos.GetNext();

​

        }

        while(pos.GetNext() != null)

        {

            if (pos.GetNext().GetValue() % 2 != 0)

            {

                temp = pos.GetNext();

                pos.SetNext(temp.GetNext());

            }

            else 

            {

                 pos = pos.GetNext();

            }

        }

        return tal;

    }

​

    public static void Main()

    {

        Node<int> tal = Program.bulid();

        //Program.Print(tal);

        Program.Print(Program.zogi(tal));

    }

}