/* 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
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
	}
	
	private interface IFoo<T>
	{
	    
	}
	
	private class A {}
	private class B {}
	
	private class Foo implements IFoo<A>, IFoo<B>  {
	}
}