0029. Chiziqli14

Time limit : 1000 ms
Memory limit : 64 mb

Ifodani hisoblang

$$TT = \sqrt{y^2 + e^x + \sqrt{e^x + \frac{a}{x^2 + 2} +}\frac{cos^2x}{\sin{x^2}}} + cos^3x$$


Kiruvchi ma’lumotlar:

Bitta butun son $a$ va ikkita haqiqiy son $x,y(1\le a,x,y\le 30)$;


Chiquvchi ma’lumotlar:

bitta son masala yechimi $10^{-2}$ aniqlikda

Input
0 3.97 1.49
Output
7.03
Input
2 5.26 1.86
Output
14.64