PE2a

def is_possible(shop, total):

    def recur(shopa, totala):
        if totala < 0:
            return False
        elif totala == 0:
            return True
        else:
            ans = False
            for bundle in shopa:
                if recur(shopa, totala - get_size(bundle)):
                    ans = True
                    break
            return ans
    finalans = False
    for bundle in shop:
        if is_pink_rose(bundle):
            if recur(shop, total - get_size(bundle)):
              finalans = True
              break


    return finalans