// editor1
#include<stdio.h>
int main() 
{
    int n;
    scanf("%d", &n);
    if (n <= 0 || n >= 10 || n % 2 == 0)
    {
        printf("Invalid Input\n");
        return 0;
    }
    for (int i = n; i >= 1; 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;
}