public class Patterntry {
public static void main(String[] args) {
Scanner scn = new Scanner(System.in);
int n = scn.nextInt();
int nst = 1;
int nsp = n / 2 - 1;
int rnst = n / 2 + 1;
int lnsp = 0;
int r = 1;
while (r <= n) {
// space
int csp = 1;
for (; csp <= lnsp; csp++) {
System.out.print(" ");
}
// star
int cst = 1;
for (; cst <= nst; cst++) {
System.out.print("*");
}
// space
csp = 1;
for (; csp <= nsp; csp++) {
System.out.print(" ");
}
// star
for (cst = 1; cst <= rnst; cst++) {
System.out.print("*");
}
System.out.println();
r = r + 1;
if (r > 1 && r <= n / 2) {
nst = 1;
nsp = n / 2 - 1;
rnst = 1;
lnsp = 0;
} else if (r == n / 2 + 1) {
nst = n;
nsp = 0;
rnst = 0;
lnsp = 0;
} else if (r > n / 2 + 1 && r < n) {
nst = 1;
nsp = n / 2 - 1;
rnst = 1;
lnsp = n / 2;
} else if (r == n) {
rnst = 1;
nsp = n / 2 - 1;
nst = n / 2 + 1;
lnsp = 0;
}
}
}
}