223 - Slide Calipers

Slide Calipers

Time Limit: 1 sec

**The Problem**

One day **Arif** found a **slide calipers**. He eagerly wanted to know how this thing measures the value of a rectangular substance. Can you help **Arif** to find the **Length** of a rectangular substance?

**The Input**

The input file contains 2 numbers **Main Scale Reading (M)** and **Vernier Super Imposition (V)** (**M**<=100, **V**<=10) in mm.

**The Output**

Output will show a value rounded to 2 decimal places which is **Length** in a separate line.

**Sample Input**

11 7

**Sample Output**

1.17 cm

Problem Setter: Shaquib Mahmud

Special thanks to Samia Safa Ahmed