405217: GYM101848 A Modulo

As a simple and boring task, you are asked to do modulo on floating numbers.

Given a, b, please calculate .

Notice that the modulo supported by some programming languages like C++, Java or Python might be not enough. You may have to implement a special version for this task.

Two space-separated floating numbers a, b (0 < a, b ≤ 10⁹). Exactly 9 digits are kept after the decimal point.

Print the answer with absolute or relative error not greater than 10^- 15.

3.000000000 2.000000000

1.000000000

0.400000000 0.200000000

0