S1, S2 = map(str, input().split())

SatSun = ["Sat", "Sun"]
count = 0
if S1 in SatSun:
    count += 1
if S2 in SatSun:
    count += 1

if count == 1:
    print("8/32")
elif count == 2:
    print("8/33")
else:
    print("8/31")