events = {}

data = input()

while True:
    if data == "no more time":
        break
    event_data = data.split(" -> ")
    name = event_data[0]
    course = event_data[1]
    points = int(event_data[2])

    if course not in events:
        events[course] = []
    events[course].append(name)
    events[course].append(points)
    data = input()

for i in events.keys():
    print(f"{i}")
    k = 0
    while k < len(events[i]):
        user_name = events[i][k]
        user_points = events[i][k + 1]
        print(f"{user_name} <=> {user_points}")
        k += 2