// editor1#include <stdio.h>

int main(void) {
    int n;
    if (scanf("%d", &n) != 1) return 0;

    if (n <= 0 || n % 2 == 0) {
        printf("Invalid input\n");
        return 0;
    }

    // Print a pyramid of height n
    for (int i = 1; i <= n; i++) {
        // Leading spaces
        for (int s = 0; s < n - i; s++) {
            printf(" ");
        }
        // Stars: 2*i - 1
        for (int k = 0; k < 2 * i - 1; k++) {
            printf("*");
        }
        printf("\n");
    }
    return 0;
}