class A0 {}
class A1 {}
class A2 {}
class A3 {}
class A4 {}
class A5 {}
class A6 {}
class A7 {}
class A8 {}
class A9 {}
class B0 {}
class B1 {}
class B2 {}
class B3 {}
class B4 {}
class B5 {}
class B6 {}
class B7 {}
class B8 {}
class B9 {}
class C0 {}
class C1 {}
class C2 {}
class C3 {}
class C4 {}
class C5 {}
class C6 {}
class C7 {}
class C8 {}
class C9 {}
class D0 {}
class D1 {}
class D2 {}
class D3 {}
class D4 {}
class D5 {}
class D6 {}
class D7 {}
class D8 {}
class D9 {}
class E0 {}
class E1 {}
class E2 {}
class E3 {}
class E4 {}
class E5 {}
class E6 {}
class E7 {}
class E8 {}
class E9 {}
public class Main {
public static void main(String[] args) {
}
}