[쉬움]다이아몬드

import java.util.Scanner;

public class Main {

public static void main(String[] args){

Scanner in = new Scanner(System.in);

int get = in.nextInt();

int floor = get/2+1;

for(int i=0;i<get;i++){

floor--;

for(int j=0;j<get-Math.abs(floor);j++){

System.out.print(Math.abs(floor)<=j ? "*":" ");

}

System.out.println();

}

}

}