import java.util.Scanner;

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

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

        String FandLRow = repeatStr("*", n * 2)
                + repeatStr(" ", n)
                + repeatStr("*", n * 2);
        System.out.println(FandLRow);

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

            String MidRow = "*"
                    + repeatStr("/", n * 2 - 2)
                    + "*";

            if (row == (n - 1) / 2 - 1) {
                MidRow+=repeatStr("|", n);
            } else {
                MidRow+=repeatStr(" ", n);


            }
            MidRow += "*"
                    + repeatStr("/", n * 2 - 2)
                    + "*";
            System.out.println(MidRow);
        }
        System.out.println(FandLRow);



    }

    static String repeatStr(String strToRepeat, int count) {
        String text = "";
        for (int i = 0; i < count; i++) {
            text += strToRepeat;
        }
        return text;

    }
}