Biscuits

biscuits = input().split(', ')
command = input()

while command != 'Eat':
    current_command = command.split()
    if current_command[0] == 'Update-Any':
        if current_command[1] in biscuits:
            for i in range(len(biscuits)):
                if biscuits[i] == current_command[1]:
                    biscuits[i] = "Out of stock"

    elif current_command[0] == 'Remove':
        if 0 <= int(current_command[2]) < len(biscuits):
            biscuits[int(current_command[2])] = current_command[1]

    elif current_command[0] == 'Update-Last':
        biscuits[len(biscuits) - 1] = current_command[1]

    elif current_command[0] == 'Rearrange':
        if current_command[1] in biscuits:
            for i in range(len(biscuits)):
                if biscuits[i] == current_command[1]:
                    biscuits.pop(i)
                    biscuits.append(current_command[1])

    command = input()

biscuits = [el for el in biscuits if "Out of stock" not in el]
print(' '.join(biscuits))