Problems

# Three heroes

Three heroes went from Brazil to Kievan Rus. They walked at a speed of n meters per minute and must travel a distance of r kilometers. How many days will it take them to overcome the path?

#### Input

Two positive integers n and r (n, r104).

#### Output

Print the number of days for which the heroes will make their hard journey.

Time limit 1 second
Memory limit 128 MiB
Input example #1
1 10

Output example #1
7

Input example #2
4 70

Output example #2
13


Example description: meters kilometres minutes days - everything is confused here

Author Yaroslav Medvedev
Source YarikPro