Two numbers $a$ and $b$ are given. Output the result of dividing $a$ by $b$ without remainder.

The first line contains two integers a and b, separated by a space. $(-10^9 \le a, b \le 10^9)$ .

Output one integer - the answer.

Example 1

Input

15 4

Output

Example 2

Input

-3 2

Output

-1

Explanation

Dividing $-3$ by $2$ gives us $-1.5$ .

If you discard the fractional part, you get $-1$ .

a/b