data = input()
my_dict = {}

while data != "end":
    data = data.split(" -> ")
    key = data[0]
    other_data = data[1].split(", ")

    if key not in my_dict:                  ###Diff1
        my_dict[key] = []

    try:
        test = float(other_data[0])
        my_dict[key].extend(other_data)
        """"if we replace lines 11-13 with the following line:
       my_dict[key] = my_dict.get(key, []) + other_data
       Judge - 100/100, else 60/100"""

    except ValueError:
        if data[1] in my_dict:
            my_dict[key] += my_dict[data[1]]                ###Diff2
    data = input()

for key, value in my_dict.items():
    if my_dict[key]:                                        ###Diff3
        print(f"{key} === " + ", ".join(value))