213 - Pond Digging

Pond Digging

Time Limit: 1 sec

**The Problem**

**Mrs. Rahman** has a rectangle plot. He wants to dig a pond there. For this he called **Ali**. **Ali** said he will charge taka as per square of the pond. **Ali** also said **2** miters will be the edge of the pond. Your work is to help **Mrs**. **Rahman** to find the area of the pond as he can easily pay **Ali.**

**The Input**

The input file contains two integer numbers length, **L** (**L**<=500) and width, **W** (**W**<=400) of the plot.

**The Output**

The output will show the area of the pond in a separate line.

**Sample Input**

80 65

**Sample Output**

4636

Problem Setter: Samia Safa Ahmed

Special thanks to Shahin ShamS