<?php
function foo($a) {
    $b = $a = $a + $b & $a += $a;
    $b = $a = $a + $b & $b & $b = $a = $a + $b = $a = $a + $b = $a += $a;
    $b = !$a = $a + $b & $b & $b = $b = $a = $a + $b & $a += $a;
	$a + $b & $b & $b = $a = $a + $b = $a = $a + $b = $a += $a;
}

@foo(39087589046889428661);
@foo(390875890468877606478);
@foo(390875890468877606478);
?>
DONE