2 static A() { System.Console.WriteLine("A"); M.a_run = true;}
3 public static void f() {}
6 static B() { System.Console.WriteLine("B"); A.f(); M.b_run = true;}
7 public static void f() {}
10 public static bool b_run
= false;
11 public static bool a_run
= false;
12 public static int Main() {