static void Main(string[] args) { F1 f1 = new F1(); f1.print(); F2 f2 = new F2(); f2.print(); F3 f3 = new F3(); f3.print(); F4 f4 = new F4(); f4.print(); F5 f5 = new F5(); f5.print(); F6 f6 = new F6(); f6.print(); F7 f7 = new F7(); f7.print(); F8 f8 = new F8(); f8.print(); F9 f9 = new F9(); f9.print(); }