02. Trains

wagons = int(input()) * [0]
command = input()

while command != 'End':
    current = command.split(' ')
    if current[0] == 'add':
        wagons[len(wagons) - 1] += int(current[1])
    elif current[0] == 'insert':
        wagons[int(current[1])] += int(current[2])
    elif current[0] == 'leave':
        wagons[int(current[1])] -= int(current[2])
    command = input()

print(wagons)