using System;

public class Program

{

    public static void Main()

    {

        int[] arr = new int[]{6,4,10,3,0,1};

        int temp;

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

            {

                if(arr[i] == arr[i+1])

                {

                  temp = arr[i];

                }

            Console.WriteLine(arr[i]);

            }

    }

}