Shopping List

groceries = input().split("!")

while True:
    command_str = input()
    if "Go Shopping!" in command_str:
        break
    command = command_str.split()
    if "Urgent" in command and command[1] not in groceries:
        item = command[1]
        groceries.insert(0, item)
    elif "Unnecessary" in command and command[1] in groceries:
        item = command[1]
        groceries.remove(item)
    elif "Correct" in command and command[1] in groceries:
        old_item = command[1]
        new_item = command[2]
        index_old = groceries.index(old_item)
        groceries[index_old] = new_item
    elif "Rearrange" in command and command[1] in groceries:
        item = command[1]
        groceries.remove(item)
        groceries.append(item)
print(", ".join(groceries))