using System;

public class Program

{

    public static void Main()

    {

        int n = 5;

        int[] arr = {5,6,5,8,6};

        int[] NewArr = {0,0,0,0,0};

        int i = 0, j = 0;

        for(i=0;i<n;i++)

        {

            arr[i] = NewArr[i];

        }

        for(i=0; i<n; i++)

        {

            for(j=i + 1;j<n;j++)

            {

                if(arr[i] == NewArr[j])

                {

                    NewArr[j] = 0;

                }

            }

        }

        for(i = 0;i<n;i++)

        {

            if(NewArr[i] != 0 )

            {

                Console.WriteLine(NewArr[i]);

            }

        }

    }

}