# You will receive how many wagons the train has.
# Until you receive "End", you get some of the commands:
#   add {people} -> adds the people in the last wagon
#   insert {index} {people} -> adds the people at the given wagon
#   leave {index} {people} -> removes the people from the wagon
#
# Input:
# 3
# add 20
# insert 0 15
# leave 0 5
# End
#
# Output:
# [10, 0, 20]

command = input()
temp_list = [0] * 10
results_list = []

while not command == 'End':
    task_parts = command.split("-")
    priority = int(task_parts[0])
    note = task_parts[1]
    temp_list.insert(priority, note)
    command = input()

for each_item in temp_list:
    if not each_item == 0:
        results_list.append(each_item)

print(results_list)