#include<stdio.h>
void main()
{
    int n;
    scanf("%d",&n);
    if(n>-10 or n<0){
        printf("Invalid input");
    }
{
    m=n//2
    for i in range(m+1){
        printf(''(m+n)end=" ");
        printf('*' *(2*i)+1);
    }
    for i in range(m-1,-1,-1){
        printf(' ' *(m+n),end=" ");
        printf('*' *(2*i)+1);
        
    }
    
}