import aocd

import itertools

def parse(line):
    return [int(c) for c in line]

def max_joules(bank):
    return max(a*10 + b for a,b in itertools.combinations(bank, 2))

def main(data):
    banks = [parse(line) for line in data.strip().split()]
    return sum(max_joules(bank) for bank in banks)

if __name__ == '__main__':
    solution = main(aocd.get_data(day=3, year=2025))
    print(solution)
    aocd.submit(solution, part='a', day=3, year=2025)