from sys import stdin
import json


data = [elem.split(", ") for elem in map(str.strip, stdin)]

result = dict()

for elem in data:
    try:
        try:
            result[elem[0]][elem[2]].append(elem[1])
        except Exception:
            result[elem[0]][elem[2]] = [elem[1]]
    except Exception:
        result[elem[0]] = {elem[2]: [elem[1]]}

with open('kangaroo.json', 'w') as file:
    for size in result:
        for place in result[size]:
            result[size][place].sort(reverse=True)
    json.dump(result, file)