using System;

using System.Collections.Generic;

public class Program

{

    public static void RemoveAllEven(List<int> list)

    {

        List<int> tempList = new List<int>();

        foreach(int i in list)

        {

            if ( i % 2 == 0)

            {

                tempList.Add(i);

            }

        }

        foreach (int j in tempList)

        {

            list.Remove(j);

        }

    }

    public static void Main()

    {

        List<int> list = new List<int>();

        Random rand = new Random();

        int count = 0;

        while(count < 5)

        {

            int num = rand.Next(1,10);

            if (! list.Contains(num))

            {

                list.Add(num);

                count++;

            }

        }

        foreach (int i in list)

        {

            Console.WriteLine(i);

        }

        RemoveAllEven(list);

        foreach (int i in list)

        {

            Console.WriteLine(i);

        }

    }

}