Description

In a card game, a player has an infinite number of cards. Each card has a positive integer $a$ written on it, representing the damage the card can deal to the enemy. Playing this card will reduce the enemy's health by $a$. Given that the enemy's health is $b$, the player wins when the enemy's health is less than or equal to $0$. How many cards must the player use to win?

Input Format

Input consists of two space-separated positive integers $a$, $b$ ($1 \le a,b \le 10^9$).

Output Format

Output a single line containing an integer, representing the minimum number of cards the player must use.

Sample

3 7

3