[Baekjoon] 백준 1924번 Python

백준 1924번

week = ['SUN', 'MON', 'TUE', 'WED', 'THU', 'FRI', 'SAT']

month = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]

X, Y = map(int, input().split())

if X >= 2:
  for i in range(X - 1):
    Y += month[i]

print(week[Y % 7])