#include <stdio.h>

int main() {
    int n;
    scanf("%d", &n);
    
    if (n <= 0 || n > 10 || n % 2 ==0) {
        printf("Invalid Input");
        return 0;
    }
    
    int space = 0;
    int dtars = n;
    
    while (Stars > 0) {
        for (int s = 0; s < space; s++)
        printf(" ");
        for (int st =0; st < stars; st++)
        printf("*");
        
        printf("\n");
        space++;
        stars -=2;
    }
    
    return 0;
}