#!/usr/bin/env python3

import sys

L = []
with open(sys.argv[1], 'r') as f:
    L = f.readlines()
L = [x.strip() for x in L]


# part 1
groups = [set()]
for i in L:
    if i == '':
        groups.append(set())
    else:
        for ii in i:
            groups[-1].add(ii)
total = 0
for i in groups:
    total += len(i)
print(total)

# part 1
groups = [{'people': 0}]
for i in L:
    if i == '':
        groups.append({'people': 0})
    else:
        groups[-1]['people'] += 1
        for ii in i:
            if ii not in groups[-1]:
                groups[-1][ii] = 1
            else:
                groups[-1][ii] += 1
total = 0
for i in groups:
    for ii in i:
        if ii != 'people' and i[ii] == i['people']:
            total += 1
print(total)