Problem:
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

Solution in Python3 (judge verdict: Accepted)

import sys,collections as cl,bisect as bs
sys.setrecursionlimit(100000)
Max = sys.maxsize
def l(): #intのlist
	return list(map(int,input().split()))
def m(): #複数文字
	return map(int,input().split())
def onem(): #Nとかの取得
	return int(input())
def s(x): #圧縮
	a = []
	aa = x[0]
	su = 1
	for i in range(len(x)-1):
		if aa == x[i+1]:
			a.append([aa,su])
			aa = x[i+1]
			su = 1
		else:
			su += 1
	a.append([aa,su])
	return a
def jo(x): #listをスペースごとに分ける
	return " ".join(map(str,x))
def max2(x): #他のときもどうように作成可能
	return max(map(max,x))

n,m= m()

if n*m > 0:
	print(n//m)
else:
	print(-(-n//m))