0087. Sikl27

Time limit : 1000 ms
Memory limit : 64 mb

Summani xisoblang


$$y = 2 \sqrt[3]{a ^{sin2x}} + x^2 \cos {ax}$$

$$- \frac{\pi}{2} \le x \le \pi , \frac{\pi}{10}$$

Bu yerda $x$ – $- \frac{\pi}{2}$ va $\pi$ oralig’ida, $h$ sikl qadami


Kiruvchi ma’lumotlar:

$a$ butun son $(0 \le a \le 100)$;


Chiquvchi ma’lumotlar:

$y$ – masala yechimi $10^{-2}$ aniqlikda chiqarilsin.

Input
1
Output
8.32
Input
3
Output
21.21