import calendar

# collect information about mm, dd, and yy while converting into integers
mm, dd, yy = (int(i) for i in input().split())


# Returns the day of the week. Monday is zero.
weekday = calendar.weekday(yy,mm,dd)

# day_name takes an array and returns the name of the weekday associated with the value inside of our array.
# It can not return multiple weekdays. 
# I.E our array cannot have multiple values inside of it

print(calendar.day_name[weekday].upper())