#!/usr/bin/env python3
# Copyright 2023 Síle Ekaterin Liszka
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.

patterns = []

with open('input.txt', mode='r') as f:
	for line in f.readlines():
		patterns.append(tuple([int(x) for x in line[:-1].split(' ')]))

def diff(pattern):
	return [pattern[x] - pattern[x - 1] for x in range(1, len(pattern))]

pnext = {}
for pattern in patterns:
	diffs = [list(pattern)]
	x = pattern
	while x := diff(x):
		diffs.append(x)
		if sum(x) == 0:
			break

	diffs.reverse()

	for i in range(1, len(diffs)):
		diffs[i].append(diffs[i - 1][-1] + diffs[i][-1])

	pnext[pattern] = diffs[-1][-1]

print(sum(pnext.values()))