#include<stdio.h>

int main() {
    int n, i, j, k;
    scanf("%d", &n);
    if (n <=  0 || n > 10 || n % 2 == 0) {
        printf("Invalid input\n");
        return 0;
    }
    for (i = n; i >= 1; i--) {
        for (j = n; j > i; j--)
            printf(" ");
        for (k = 1; k <= (2 * i - 1); k--)
            printf("*");
        printf("\n");
    }
    return 0;
}