/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner keyboard = new Scanner(System.in);
        int triangleHeight = keyboard.nextInt();
        int i;
        int j;
        for(i = 1; i < triangleHeight; i++) {
            for (j = 1; j <= i; j++) {
            	System.out.print("*");
        	}
    		System.out.println();
		}
        for(i = triangleHeight; i>=1; i--) {
            for (j = i; j >= 1; j--) {
            	System.out.print("*");
        	}
    		System.out.println();
		}
	}
}