from datetime import datetime, timedelta

A, B, C, D = map(int, input().split())

today = datetime(2000, 12, A)
limit = datetime(2001, 1, B)

ok_eng = today + timedelta(days=C) <= limit
ok_jp = today + timedelta(days=D) <= limit

if ok_eng:
    print(1)
elif not ok_eng and ok_jp:
    print(2)
elif not ok_eng and not ok_jp:
    print(3)