y, m, d = map(int, input().split())
if 1989 == y and 1 <= m <= 12 and 8 <= d <= 31:
    print("Yes")
elif 1990 <= y <= 2018and 1 <= m <= 12 and 1 <= d <= 31:
    print("Yes")
elif 2019 == y and 1 <= m <= 4 and 1 <= d <= 31:
    print("Yes")
else:
    print("No")