<?php

$numbers = array_map('intval', explode("\n", file_get_contents('input.txt')));

$current_index = 0;

//$sum = 127;
$sum = 257342611;

while (true) {
    $index = $current_index;
    $current_sum = 0;
    $used_numbers = [];
    while ($current_sum <= $sum) {
        if ($sum === $current_sum) {
            echo min($used_numbers) + max($used_numbers);
            exit;
        }

        $used_numbers[] = $numbers[$index];
        $current_sum = array_sum($used_numbers);
        $index++;
    }
    $current_index++;
}