// editor3
import java.util.Scanner;
public class main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int i,j;
        if(!sc.hasNextInt()) {
            System.out.print("Invalid input");
            return;
        if(x<0) {
            System.out.print("Invalid input");
            return;
        }
        for(i=0; i<x; i++) {
            for(j=0; j<x-i-1; j++) {
                System.out.print(" ");
            }
            for(j=0; j<=i*2; j++) {
                System.out.print("*");
            }
            System.out.println();
        }
    }
}
}