package crux;
import java.util.Scanner;
public class fibonacci {
public static void main(String[] args) {
Scanner scn = new Scanner(System.in);
int n = scn.nextInt();
int nst=1;
int nsp=n-1;
for(int row=1;row<=n;row++) {
for(int i=1;i<=nsp;i++) {
System.out.print(" ");
}
for(int j=1;j<=nst;j++) {
System.out.print("*");
}
for(int i=1;i<=nsp;i++) {
System.out.print(" ");
}
nst=nst+2;
nsp=nsp-1;
System.out.println();
}
}
}
//THIS IS THE CODE