07. Easter Gifts (Nikola Slavchev)

gifts_list = input().split(" ")

command_1 = "OutOfStock"
command_2 = "Required"
command_3 = "JustInCase"

command_end = "No Money"
command = input()

while command != command_end:
    list_of_command = command.split(" ")

    if list_of_command[0] == command_1:
        for gift in gifts_list:
            if gift == list_of_command[1]:
                index_of_el = gifts_list.index(gift)
                gifts_list[index_of_el] = "None"

    elif list_of_command[0] == command_2:
        if 0 <= int(list_of_command[2]) < len(gifts_list):
            gifts_list[int(list_of_command[2])] = list_of_command[1]

    elif list_of_command[0] == command_3:
        gifts_list[-1] = list_of_command[1]

    command = input()

for gift in gifts_list:
    if gift != "None":
        print(gift, end=" ")