/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

interface ConsumerOne<T> {
    void accept(T a);
}

interface CustomIterable<T> extends Iterable<T> {
    void forEach(ConsumerOne<? super T> c); //overload
}
class Ideone
{
	private static CustomIterable<Ideone> iterable;
    private static List<Ideone> aList;
	public static void main (String[] args)
	{
		iterable.forEach((Ideone a) -> aList.add(a));
	}
}