fname = input('Enter file name: ')
fhand = open(fname)
c = dict()
for line in fhand:
if not line.startswith('From '): continue
pieces = line.split()
email = pieces[1]
c[email] = c.get(email, 0) + 1
bigc = None
bige = None
for word in c:
value = c[word]
if bigc is None or value > bigc:
bigw = word
bigc = value
print(bigw, bigc)