**Problem Description**

**Input**

The input consists of multiple test cases.

For each testcase, the first line contains two integers A and B.

The input is terminated by the end of file.

(-10^9≤A,B≤10^9, B ≠ 0)

**Output**

For each testcase, output one integer represents ceil(A/B).

**Sample Input**

5 6 1 1 1000000 999999

**Sample Output**

1 1 2

**Hint**

Ceil(x), means the minimum integer which is greater or equal to x.

**Source**

2018市赛