Time Limit : sec, Memory Limit : KB

## Division of Big Integers

Given two integers $A$ and $B$, compute the quotient, $\frac{A}{B}$. Round down to the nearest decimal.

### Input

Two integers $A$ and $B$ separated by a space character are given in a line.

### Output

Print the quotient in a line.

### Constraints

• $-1 \times 10^{1000} \leq A, B \leq 10^{1000}$
• $B \ne 0$

### Sample Input 1

5 8


### Sample Output 1

0


### Sample Input 2

100 25


### Sample Output 2

4


### Sample Input 3

-1 3


### Sample Output 3

0


### Sample Input 4

12 -3


### Sample Output 4

-4