while 1: try: y,m = map(int, input().split()) list = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] day = list[m] if y % 400 == 0 or (y % 4 == 0 and y % 100 != 0): if m == 2: day += 1 print(day) except: break