329 - Simply Area II

Simply Area II

Time Limit: 1 sec

**The Problem**

Suppose you are standing in a **Square** room. There is a 45 degree angle **line** is drawn. Can you tell me what the **Area** of that room is?

Note: If the **Diagonal** of a **Square** is **d** then the **Area** of **Square** is d^{2} / 2.

**The Input**

The input file contains a series of line. Each line contains an integer number length of draw **line**, **L (L <= 9999) **in cm. Input is terminated by EOF

**The Output**

For each line of input the output will show the **Area** of the room rounded to 2 decimal points in meter square.

**Sample Input**

7616

4893

**Sample Output**

2900.17 m^2

1197.07 m^2

Problem Setter: Samia Safa Ahmed