range_list: list[str] = ["1-5","7-8"]
items_list: list[int] = [1,2,3,6,16]
valid_id: list[int] = []

input = """3-5
10-14
16-20
12-18

1
5
8
11
17
32"""

# with open("input.txt", "r") as file:
#     input = file.read()


range_list = list(map(str, input.split("\n\n")[0].split("\n")))
items_list = list(map(int, input.split("\n\n")[1].split("\n")))
# получаем все возможные не "протухшие" id продуктов
for element in range_list:
    valid_id += [i for i in range(int(element.split("-")[0]),int(element.split("-")[1])+1)]
    # valid_id_set = list(set(valid_id))
    print(valid_id)

print("Всего найденно",len(set(valid_id) & set(items_list)))