p02847 AtCoder Beginner Contest 146 - Can't Wait for Holiday
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.

Examples

Input

SAT


Output

1


Input

SUN


Output

7
```python
s=input()
A=["","SAT","FRI","THU","WED","TUE","MON","SUN"]
print(A.index(s))
```