def cheat(mine, friend) :
    """
       Return integer representing the maximum number
       of points for mine playing against friend,
       mine and friend are lists of integers
    """

    counter = 0
    for i in range(3,10):
        for c in mine:
            if c == i:
                for r in friend:
                    if c > r:
                        friend.remove(int(r))
                        counter +=1
                        break
    return counter