y, m, d = map(int, input().split())
if y <= 1988 or y >= 2020:
    print("No")
elif y == 1989:
    if m == 1 and d <= 7:
        print("No")
    else:
        print("Yes")
elif y == 2019:
    if m >= 5:
        print("No")
    else:
        print("Yes")
else:
    print("Yes")