cay thong noend

#include <iostream>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
   	
   	int n; cin >> n;

    int mx = 2 * (n - 1) + 1;

    int mid = (mx + 1) / 2;

    int l = mid, r = mid;

    while (l > 0 && r < mx + 1)
    {
        for (int i = 1; i <= mx; i++)
            if (l <= i && i <= r) cout << "*";
            else cout << " ";

        cout << endl;

        l--; r++;
    }

    for (int i = 1; i <= mx; i++)
        if (i == mid) cout << "|";
        else cout << " ";
   	


   

    return 0;
}