#!/usr/bin/env python3

def test(s):
    if len(s) != len(set(s)):
        return False
    s.sort()
    if sum(s[:len(s)//2 + len(s)%2]) <= sum(s[len(s)//2+1:]):
        return False
    setsums = []
    for n in s:
        setsums += [m+n for m in setsums] + [n]
        if len(setsums) != len(set(setsums)):
            return False
    return True

with open("data/105_sets.txt") as f:
    r = f.read()

sets = [list(map(int, line.split(','))) for line in r.split('\n')[:-1]]

print(sum(sum(s) for s in sets if test(s)))