A - Can't Wait for Holiday

Score : $100$ points

Problem Statement

Given is a string $S$ representing the day of the week today.

$S$ is SUN, MON, TUE, WED, THU, FRI, or SAT, for Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday, respectively.

After how many days is the next Sunday (tomorrow or later)?

Constraints

• $S$ is SUN, MON, TUE, WED, THU, FRI, or SAT.

Input

Input is given from Standard Input in the following format:

$S$

Output

Print the number of days before the next Sunday.

SAT

1

It is Saturday today, and tomorrow will be Sunday.

SUN

7

It is Sunday today, and seven days later, it will be Sunday again.