#P30. 练7.2 保留12位小数

练7.2 保留12位小数

Description

Read a floating-point number and output it with exactly 1212 decimal places.

Input Format

One line containing a floating-point number xx (105x105−10^5≤x≤10^5).

Output Format

One line containing the floating-point number with exactly 1212 decimal places.

Sample

3.1415926535897932
3.141592653590