Problem:
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.

Sample Input 1

SAT

Sample Output 1

1

It is Saturday today, and tomorrow will be Sunday.

Sample Input 2

SUN

Sample Output 2

7

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

Solution in Fortran (gfortran v4.8.4) (judge verdict: Accepted)

program a
	character(len=3) :: day
    read '(a)', day
    
    if (day == 'MON') then
    	print '(i0)', 6
    else if (day == 'TUE') then
    	print '(i0)', 5
    else if (day == 'WED') then
    	print '(i0)', 4
    else if (day == 'THU') then
    	print '(i0)', 3
    else if (day == 'FRI') then
    	print '(i0)', 2
    else if (day == 'SAT') then
    	print '(i0)', 1
    else if (day == 'SUN') then
    	print '(i0)', 7
    end if

end program a