Description

H1N1 influenza is not very dangerous, and its mortality rate in China is not very high. Please calculate the mortality rate of H1N1 in each province based on the number of confirmed cases and deaths reported by each province as of December 22, 2009.

Input Format

One line containing two integers: the first is the number of confirmed cases, and the second is the number of deaths.

Output Format

One line containing the mortality rate of H1N1, output as a percentage with exactly 3 decimal places.

Sample

10433 60

0.575%