from pprint import pprint

def load(filename):
	with open(filename, "r", encoding="utf-8") as f:
		rec = []
		for line in f:
			s = line.rstrip()

			if not s:
				yield rec
				rec = []
				continue

			rec.append(s)

		yield rec


data = list(load("data.txt"))

# Anyone answered yes
nq = sum([len(set(c for r in rec for c in r)) for rec in data])
print(f"Sum of counts: {nq}")

# Everyone answered yes
a = 0
for grp in data:
	resp = {}
	for q in grp:
		for c in q:
			if c not in resp:
				resp[c] = 0
			resp[c] += 1
	n = sum(1 for k, v in resp.items() if len(grp) == v)
	a += n

print(f"Sum of everyone: {a}")