Problem Statement

We have a drink that has $A$ kilocalories of energy per $100$ milliliters. How many kilocalories of energy does $B$ milliliters of this drink have?

Constraints

• $0 \leq A, B \leq 1000$
• All values in input are integers.

Input

Input is given from Standard Input in the following format:

A B

Output

Print a number representing the answer.

Your output is considered correct when its absolute or relative error from our answer is at most $10^{-6}$.