CF760A Petr and a calendar

Description

Petr wants to make a calendar for current month. For this purpose he draws a table in which columns correspond to weeks (a week is seven consequent days from Monday to Sunday), rows correspond to weekdays, and cells contain dates. For example, a calendar for January 2017 should look like on the picture: ![](https://cdn.luogu.com.cn/upload/vjudge_pic/CF760A/70f7bb298739f0018d24699e43e0bdba58d6965c.png)Petr wants to know how many columns his table should have given the month and the weekday of the first date of that month? Assume that the year is non-leap.

Input Format

The only line contain two integers $ m $ and $ d $ ( $ 1

Output Format

Print single integer: the number of columns the table should have.

Explanation/Hint

The first example corresponds to the January 2017 shown on the picture in the statements. In the second example $ 1 $ -st January is Monday, so the whole month fits into $ 5 $ columns. In the third example $ 1 $ -st November is Saturday and $ 5 $ columns is enough.