#include <stdio.h>
int main() {
    int n;
    scanf("%d", &n);

    if (n < 1 || n > 10){
        printf("Invalid Input")
        return 0;
        
    }
    
    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n - i; j++) {
            printf(" ");
        }
        for (int j = 1; j <=i; j++){
            printf("*");
        }
        printf("\n")
    }
    for (int i = n -1; i >= 1; i--) {
        for (int j = 1; j <= n - i; j++){
            printf(" ");
        }
        for (int j = 1; j <= i; j++) {
            print("*");
        }
        printf("\n")
    }
    return 0;
}