/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
 
class Ideone 
{
	static class A extends B
	{
			void hello(){System.out.println("A");}
	}
	static class B extends C
	{
		void hello(){System.out.println("B");}
	}
	static 	class C
	{
			void hello(){System.out.println("C");}
		void main()
		{
			hello();
			return;
		}
	}
	public static void main(String [] args)
	{
		A a = new A();
		a.main();
		return;
	}
}

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