Description
Hōjō Tokiyuki has been avoiding his classes for so long that he now struggles to understand his assignments.
Desperate for help, he turns to you to guide him through the following task:
Given a point P(x, y) on a coordinate plane, your goal is to calculate the slope of the line that passes through point P and the origin O(0, 0).
Input
Input two integers x, y.
Constraints
- x ≠ 0, -109 ≤ x, y ≤ 109.
Output
Output a floating-point number representing the answer, rounded to three decimal places.
Please remember to print "\n" at the end.