import java.util.Scanner;

public class Sky {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());

        for (int i = 0; i < n-2 ; i++) {



            if (i == n - 2 - 1) {

                System.out.println(draw(" ", n - 1) + "_|_" + draw(" ", n - 1));

                break;

            }
            System.out.println(draw(" ", n) + "|" + draw(" ", n));

            }



        }





    public static String draw(String str,int count) {
            StringBuilder output = new StringBuilder();

            for (int i = 0; i < count; i++) {
                output.append(str);

            }

            return output.toString();

        }
    }