<?php
 
// your code goes here
function tekaTekiTeko(int $batas) {
	if ($batas < 20) {
        throw new Exception("Batas harus merupakan unsigned integer mulai dari 20");
    }
 
    for ($x = 1; $x <= $batas; $x++) {
        $output = '';
        if ($x % 2 == 0) {
            $output .= 'Teka'; 
        }
        if ($x % 3 == 0) {
            $output .= 'Teki'; 
        }
        if ($x % 5 == 0) {
            $output .= 'Teko';
        }
        if ($output == '') {
            echo $x . "\n";
        } else {
            echo $output . "\n";
        }
    }
}
 
tekaTekiTeko(30);

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