import java.util.Scanner;
public 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++){
            int stars = 2*i-1;
            int spaces = n-i;
            for(int s=0;s<spaces;s++){
                System.out.print(" ");
            }
            for (int j=0;j<stars;j++){
                System.out.print("*");
            }
            System.out.println();
        }
    }
}