using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

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

        list.Add(1);

        list.Add(2);

        list.Add(1);

        list.Add(1);

        list.Add(2);

        list.Add(3);

        stockMerchant(6, list);

    }

    public static int stockMerchant(int n, List<int> ar)

    {

        var socks = ar.ToArray();

        int numberOfPairs = 0;

        for (int i = 0; i < socks.Length; i ++)

        {

            var current = socks[i];

            Console.WriteLine("Current: " + current);

        }

        Console.WriteLine("\nNumber Of Pairs: " + numberOfPairs);

        return numberOfPairs;

    }

}