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Score : $100$ points

### 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 $10^{-6}$.

### Sample Input 1

45 200


### Sample Output 1

90


We have a drink that has $45$ kilocalories of energy per $100$ milliliters. $200$ milliliters of this drink has $90$ kilocalories of energy.

### Sample Input 2

37 450


### Sample Output 2

166.5


The answer may not be an integer.

### Sample Input 3

0 1000


### Sample Output 3

0


### Sample Input 4

50 0


### Sample Output 4

0