Shopping List

list_with_groceries = input().split('!')
command = input()

while command != 'Go Shopping!':
    command = command.split()

    if 'Urgent' in command:
        item = command[1]
        if item not in list_with_groceries:
            list_with_groceries.insert(0, item)

    elif 'Unnecessary' in command:
        item = command[1]
        if item in list_with_groceries:
            list_with_groceries.remove(item)

    elif 'Correct' in command:
        old_item = command[1]
        new_item = command[2]
        if old_item in list_with_groceries:
            for index, item in enumerate(list_with_groceries):
                if item == old_item:
                    list_with_groceries[index] = new_item

    elif 'Rearrange' in command:
        item = command[1]
        if item in list_with_groceries:
            list_with_groceries.remove(item)
            list_with_groceries.append(item)

    command = input()

print(', '.join(list_with_groceries))