int main()
{
    int x, i, j, z, a, y;
    x = 9;

    for(a = 3; a <=5; a++) {
        for(j = 1; j <= a; j++) {
            y = (x / 2) + 1 - j;
            for(i = 1; i <= y; i++) {
                cout << " ";
            }
            for(z = 1; z <= 2 * j - 1; z++) {
                cout << "*";
            }
            for(i = 1; i <= y; i++) {
                cout << " ";
            }
            cout << endl;
        }
    }

    for(i = 1; i <=4; i++) {
        cout << " ";
    }
    cout << "*";

    return 0;
}