import java.util.*;

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

        if (!sc.hasNextInt()) {
            System.out.println("Invalid input");
            return;
        }

        int n = sc.nextInt();

        if (n <= 0 || n > 10) {
            System.out.println("Invalid input");
            return;
        }

        for (int i = 1; i <= n; i++) {
            // Print spaces
            for (int j = 0; j < n - i; j++) {
                System.out.print(" "); // ✅ use print
            }

            // Print stars
            for (int k = 0; k < 2 * i - 1; k++) {
                System.out.print("*"); // ✅ use print
            }

            // New line after each row
            System.out.println();
        }
    }
}