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#!/usr/bin/env python3
import sys
def maths(nums, sec=False):
if len(nums) == 2:
yield nums[0] * nums[1]
yield nums[0] + nums[1]
if sec: yield int(str(nums[0]) + str(nums[1]))
else:
yield from maths([nums[0] * nums[1]] + nums[2:], sec)
yield from maths([nums[0] + nums[1]] + nums[2:], sec)
if sec: yield from maths([int(str(nums[0]) + str(nums[1]))] + nums[2:], sec)
if __name__ == '__main__':
lines = [line.strip('\n') for line in open(sys.argv[1])]
res1, res2 = 0, 0
for line in lines:
test, nums = line.split(': ')
nums = [int(n) for n in nums.split(' ')]
if int(test) in maths(nums): res1 += int(test)
if int(test) in maths(nums, True): res2 += int(test)
# challenge 1
print(f"challenge 1:\n{res1}\n")
# challenge 2
print(f"challenge 2:\n{res2}")