[잘 푼 문제] (출력)

x, y = map(int, input().split())

days = y-1
mdays = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
yo = ['MON', 'TUE', 'WED', 'THU', 'FRI', 'SAT', 'SUN']

for i in range(x-1):
  days += mdays[i]

print(yo[days % 7])