class SkipIterator implements Iterator<Integer> {

	public SkipIterator(Iterator<Integer> it) {
	}

	public boolean hasNext() {
	}

	public Integer next() {
	}

	/**
	* The input parameter is an int, indicating that the next element equals 'val' needs to be skipped.
	* This method can be called multiple times in a row. skip(5), skip(5) means that the next two 5s should be skipped.
	*/ 
	public void skip(int val) {
	}
}

SkipIterator itr = new SkipIterator([2, 3, 5, 6, 5, 7, 5, -1, 5, 10]);
itr.hasNext(); // true
itr.next(); // returns 2
itr.skip(5);
itr.next(); // returns 3
itr.next(); // returns 6 because 5 should be skipped
itr.next(); // returns 5
itr.skip(5);
itr.skip(5);
itr.next(); // returns 7
itr.next(); // returns -1
itr.next(); // returns 10
itr.hasNext(); // false
itr.next(); // error