#include <stdio.h>

int main() {
    int n;
    scanf("%d", &n);

    if (n <= 0 || n > 10 || n % 2 == 0) {
        printf("Invalid Input");
        return 0;
    }

    for (int i = n; i >= 5; i += 2) {
        int spaces = (n - i) / 2;

        for (int s = 0; s < spaces; s++) {
            printf(" ");
        }

        for (int j = 0; j < i; j++) {
            printf("*");
        }

        printf("\n");
    }

    return 0;
}