66C - Petya and File System - CodeForces Solution

from collections import *
from sys import *

txt = stdin.readlines()
for i in range(len(txt)):
    txt[i] = txt[i][:-1].replace(':\\', ':').split('\\')
file = Counter([s[0] for s in txt])
folder = defaultdict(set)
for i in txt:
    for j in range(2, len(i)):
        folder[i[0]].add('\\'.join(i[1:j]))
print(max([len(i) for i in folder.values()]+[0]), max(file.values()))