#include<stdio.h>
int main()
{
    int n;
    scanf("%d", &n);
    if(n <=0 || n % 2 == 0)
    {
        printf(" Invalid Input");
    }
    else
    {
    for (int i= n; i>=1;i-=2)
    {
        for (int j = 0 ; j <(n-i)/2; j++ )
        {
        printf(" ");

    }
    for (int i= n; i >= 1; i-=2){
        for(int j= i ; j <= i; j++){
            printf("*");printf(" % n");
        }
    }
    return 0;
}