package PatternsQuestions;
import java.util.Scanner;
public class ques19 {
public static void main(String[] args) {
Scanner scn = new Scanner(System.in);
int n = scn.nextInt();
//setting initial values
int nst = n/2;
int nsp = 1;
//setting for loop
for(int row = 1; row<=n; row++) {
//work
if(row==1 || row ==n) {
for(int count = 1; count<=n; count++) {
System.out.print("*");
}
} else {
for(int cst=1; cst<= nst; cst++) {
System.out.print("*");
}
for(int csp=1; csp<=nsp; csp++) {
System.out.print(" ");
}
for(int cst=1; cst<= nst; cst++) {
System.out.print("*");
}
}
//prep
//setting up if statement for rows greater than 1
// and less than or = n/2 (3 in this case)
System.out.println();
if(row >=2 && row <=n/2) {
nst--;
nsp+=2;
} else {
nst++;
nsp-=2;
}
}
scn.close();
}}