figure

#include <iostream>

using namespace std;

int main()
{
    int n;
    cin >> n;

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= i; j++)
        {
            if(i == n || i == 1)
            {
                if(j == i) cout << "*";
                else cout << "* ";
            }
            else
            {
                if(j == 1) cout << "* ";
                else if(j == i) cout << "*";
                else cout << ". ";
            }
        }
        cout << endl;
    }

    return 0;
}