#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 space = 1; space <= n - i;space++){
        printf(" ");
    }
    for (int star = 1; star <= i; star++){
        printf("*");
    }
    printf("\n");
   }
    for (int i = n - 1; i >= 1; i--){
        for (int space = 1; space <= n - i; space++){
         printf(" ");
    }
    for (int star = 1; star <= i; star++){
        printf("*")