Task 1+

<?php
$arr = [1, 16, 1, 1];
$arrp = [];
$arro = [];
$i=0;
foreach ($arr as $value) {
    if ($value%2 ==0){
    $arrp = $value ;
    $i++;
    }
    else {
    $arro = $value;
    }
}
if ($i > 1) {
    var_dump ($arro);
}
else {
    var_dump ($arrp);
}

?>