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