// JavaScript Document

function calc(size, speed)
{
	
	var sizeInBits = size * 8;
	var seconds = sizeInBits / speed;
	var minutes = 0;
	while (seconds > 60){
		minutes = minutes + 1;
		seconds = seconds - 60;
	}
	var hours = 0;
	while (minutes > 60){
		hours = hours + 1;
		minutes = minutes - 60;
	}
	seconds = Math.ceil(seconds);
	var string = hours + 'h ' + minutes + 'm ' + seconds + 's';
	return string;
}