#include<stdio.h>
int main() {
    int n;
    scanf("%d", &n);
    
    if (n < 1 || n > 10) {
        printf("Invalid Input");
    } else {
        for (int i = 1; i <= n; i++) {
            for(int j = 1; j <= 1; j++) {
                printf(" ");
            }
            for ( int k = 1; k <= i; k++){
                printf("*");
            }
            printf("\n");
        }
        for (int i = n - 1; i>= 1; i--) {
            for (int j = n; j . i; j++) {
                printf(" ");
            }
            for (int k = 1; k <= i; k++) {
                printf("*");
            }
            if (i != 1)
            printf("\n");
        }
    }
    return 0;
}