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计算球体积

Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 335768 Accepted Submission(s): 128240

Problem Description

根据输入的半径值，计算球的体积。

Input

输入数据有多组，每组占一行，每行包括一个实数，表示球的半径。

Output

输出对应的球的体积，对于每组输入数据，输出一行，计算结果保留三位小数。

Sample Input

1
1.5

Sample Output

4.189
14.137

Hint

#define PI 3.1415927

Author

lcy

Source

C语言程序设计练习（一）

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