shopping_list

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

while not command == 'Go Shopping!':
    command = command.split()

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

    elif command[0] == 'Unnecessary':
        item = command[1]
        if item in products:
            products.remove(item)

    elif command[0] == 'Correct':
        old_item = command[1]
        new_item = command[2]
        new_products = []
        if old_item in products:
            for word in products:
                new_products.append(word)
                if word == old_item:
                    result = word.replace(old_item, new_item)
                    new_products.append(result)
                    new_products.remove(old_item)
            products = new_products

    elif command[0] == 'Rearrange':
        item = command[1]
        if item in products:
            products.remove(item)
            products.append(item)

    command = input()

print(', '.join(products))