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Even numbers

EASY

Given an input string with numbers separated by a single space.

Find all even numbers and print it separated by a single space. The order should be the same as the input.

Example #1

Input

1 2 3 4 5 6 7 8 9

Output

2 4 6 8

Solution

<?php
$line = trim(fgets(STDIN));
$nums = explode(' ', $line);
foreach($nums as $num) {
    if ($num % 2 === 0) {
        echo $num . ' ';
    }
}

Tests

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