#include <iostream>
using namespace std;
int main()
{
	int n;
	cin >> n;
	n = n / 2 + 1;
	for (int i = n; i >= 1; i--)
    {
		for (int j = 1; j <= i; j++)
        {
			cout << "*";
		}
		cout << endl;
	}
	for (int i = 2; i <= n; i++)
    {
		for (int j = 1; j <= i; j++)
        {
			cout << "*";
		}
		cout << endl;
	} 
	return 0;
}

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int a;
    cin >> a;
    for (int i = a / 2 + 1;i >= 1;i--)
    {
        for (int j = 1;j <= i;j++)
        {
            cout << "*";
        }
        cout << endl;
    }
    for (int i = 2;i <= a / 2 + 1;i++)
    {
        for (int j = 1;j <= i;j++)
        {
            cout << "*";
        }
        cout << endl;
    }
}//AC