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path: root/prog/aoc/23/9/1.py
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#!/usr/bin/python3
data = []
try:
	while True:
		data.append([[x for x in map(int, input().split(" "))]])
except EOFError:
	pass
s = 0
for d in data:
	while len(set(d[-1])) != 1 or d[-1][0] != 0:
		r = []
		for idx in range(len(d[-1])-1):
			r.append(d[-1][idx+1]-d[-1][idx])
		d.append(r)
	for idx in range(len(d)):
		if idx == 0:
			d[-1].append(0)
			continue
		idx = -idx-1
		d[idx].append(d[idx][-1]+d[idx+1][-1])
	s += d[0][-1]
print(s)
s2 = 0
for d in data:
	for idx in range(len(d)):
		if idx == 0:
			d[-1].insert(0, 0)
			continue
		idx = -idx-1
		d[idx].insert(0, d[idx][0]-d[idx+1][0])
	s2 += d[0][0]
print(s2)