Problems

# Three heroes

# 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**, **r** ≤ `10`

).^{4}

#### Output

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

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