100 #ABC205A. [ABC205A] kcal

[ABC205A] kcal

Score : 100100 points

Problem Statement

We have a drink that has AA kilocalories of energy per 100100 milliliters. How many kilocalories of energy does BB milliliters of this drink have?

Constraints

  • 0A,B10000 \leq A, B \leq 1000
  • All values in input are integers.

Input

Input is given from Standard Input in the following format:

AA BB

Output

Print a number representing the answer.

Your output is considered correct when its absolute or relative error from our answer is at most 10610^{-6}.

45 200
90

We have a drink that has 4545 kilocalories of energy per 100100 milliliters. 200200 milliliters of this drink has 9090 kilocalories of energy.

37 450
166.5

The answer may not be an integer.

0 1000
0
50 0
0