import re from collections import Counter from itertools import cycle from math import copysign sign = lambda n: int(copysign(1, n)) points = {'flat': Counter(), 'diag': Counter()} for line in open(0): x1, y1, x2, y2 = [int(n) for n in re.findall(r'\d+', line)] xs = [*range(x1, x2, sign(x2 - x1)), x2] ys = [*range(y1, y2, sign(y2 - y1)), y2] if len(xs) == 1: points['flat'].update(zip(cycle(xs), ys)) elif len(ys) == 1: points['flat'].update(zip(xs, cycle(ys))) else: points['diag'].update(zip(xs, ys)) print(sum(v > 1 for v in (points['flat']).values())) print(sum(v > 1 for v in (points['flat'] + points['diag']).values()))