/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
class A { }
class B extends A { }
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	static <T> void foo(List<T> l, T o) { }
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		ArrayList<A> la = new ArrayList<A>();
		ArrayList<B> lb = new ArrayList<B>();
		foo(la, new A());
		foo(la, new B());
	}
}

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