import java.io.*;
public class Baum {
	public static void main (String argv[]) throws IOException {
		BufferedReader input = new BufferedReader (new InputStreamReader(System.in));
 
		int x, i;
		String str;
 
		System.out.print ("Hoehe eingeben: ");
		str = input.readLine ();
		x = Integer.parseInt(str);
 
		for (i=0; i < x; i++) {
			for(int g = x; g > i; g--) {
				System.out.print(" ");
			}
			for(int y=-1; y < i; y++) {
				System.out.print("*");
			}
			for(int h=0; h < i; h++) {
				System.out.print("*");
			}
			System.out.print("\n");
		}
		for (int j=0; j < i; j++) {
			System.out.print(" ");
		}
		System.out.print("I\n");
	}
}