ENTRY_POINT = 'add'
#[PROMPT]

def add(lst):
    """Given a non-empty list of integers lst. add the even elements that are at odd indices..


    Examples:
        add([4, 2, 6, 7]) ==> 2 
    """
#[SOLUTION]
    return sum([lst[i] for i in range(1, len(lst), 2) if lst[i]%2 == 0])
#[CHECK]
def check(candidate):

    # Check some simple cases
    assert candidate([4, 88]) == 88
    assert candidate([4, 5, 6, 7, 2, 122]) == 122
    assert candidate([4, 0, 6, 7]) == 0
    assert candidate([4, 4, 6, 8]) == 12

    # Check some edge cases that are easy to work out by hand.
    
