public class A
{
	void m1()
	{
		System.out.println("m1 in A");
	}


	void m2()
	{
		System.out.println("m2 in A");
	}

	public static void main(String args[])
	{
		A a = new A();
		a.m1();
		a.m2();
		B b = new B();
		b.m1();
		b.m2();
		C c = new C();
		c.m1();
		c.m2();
	}
}


class B extends A
{
	void m1()
	{
		System.out.println("m1 in B");
		m2();
	}

}

class C extends B
{
	void m2()
	{
		System.out.println("m2 in c");
	}

}