<?php
mb_internal_encoding("UTF-8");
$apples = array(
    100,
    100
);
function doApple($n, $array)
{
    
    $summary    = array_sum($array);
    $half       = $summary / 200;
    $half_floor = floor($summary / 200);
    if ($half != $half_floor || $n <= 2) {
        return "No\n";
    } else {
        return "Yes\n";
    }
    
}
echo doApple(count($apples), $apples);