<html>
	<head>
		<title>Форма</title>
	</head>
	<body>
		<div>
			<form method="post" action="lucky_ticket.php">

			<p>Введите интервал от 000000 до 999999:</p>
			<input type="numeric" name="first" size=6 maxlength="6">
			<br>
			<br>
			<input type="numeric" name="second" size=6 maxlength="6">
			<input type="submit" value="Расчет:" />

			</form>
		</div>
		<div>
			<?php

			if ($_POST['first'] && $_POST['second']){
				$i = 1;
				$first = $_POST['first'];
				$second = $_POST['second'];
				for ($first; $first < $second; $first++){
					$array = str_split($first);
					if ($array[0] + $array[1] + $array[2] == $array[3] + $array[4] + $array[5]){
						echo $i, ")", $first, "<br />";
						$i++;
					}
				}
			}

			?>
		</div>
	</body>
</html>