<?php
fscanf(STDIN, "%d %d", $step_count, $section);

if ($step_count >= $section)
{
    echo 1;
}
else
{
	$initial_value = $step_count;
	for($i = 2; $i < $section+1; $i++)
	{
		$step_count += $initial_value;
		if ($step_count >= $section)
		{
			echo $i."<\n>";
			break;
		}
	}
}