01. World Tour

stops = input()
line = input()

while not line == 'Travel':
    line = line.split(':')
    command = line[0]
    if command == 'Add Stop':
        index = int(line[1])
        destination = line[2]
        if 0 <= index < len(stops):
            stops = stops[:index] + destination + stops[index:]
    elif command == 'Remove Stop':
        start_index = int(line[1])
        end_index = int(line[2])
        if 0 <= start_index < len(stops) and 0 <= end_index < len(stops):
            stops = stops[:start_index] + stops[end_index+1:]
    elif command == 'Switch':
        old_string = line[1]
        new_string = line[2]
        if old_string in stops:
            stops = stops.replace(old_string, new_string)
    print(stops)
    line = input()

print(f'Ready for world tour! Planned stops: {stops}')