P11466 [AOJ] Triangle
普及
题目描述

For given two sides of a triangle a and b and the angle C between them, calculate the following properties:

  • S: Area of the triangle
  • L: The length of the circumference of the triangle
  • h: The height of the triangle with side a as a bottom edge

Input

The length of a, the length of b and the angle C are given in integers.

Output

Print S, L and h in a line respectively. The output should not contain an absolute error greater than 10-4.

Example

Input

4 3 90

Output

6.00000000
12.00000000
3.00000000

输入格式

见题面

输出格式

见题面

样例输入
4 3 90
样例输出
6.00000000 12.00000000 3.00000000