using System;

public class Program

{

    public static void Main()

    {

        int[] arr = new int[]{1,0,0,0,1};

        int[] newArr = new int[10]; 

        for(int i = 0; arr.Length-1 >= i; i++)

        {

            if(arr[i] == 1)

            {

                newArr[i]  = arr[i];

            }

        }

        for(int j = 0; newArr.Length-1>j; j++)

            {

            Console.WriteLine(newArr[j]);

            }

    }

}