<?php $total = trim(fgets(STDIN)); $x = trim(fgets(STDIN)); $width = explode(" ", trim(fgets(STDIN))); sort($width); $sum = 0; $count = 0; for ($w=0; $w<count($width); $w++){ $sum += $width[$w]; if ($total>=$sum){ $count++; }else{ break; } } echo $count . "\n";