kekka = ""
date = input()
tmp = date.split()
year = int(tmp[0])
month = int(tmp[1])
day = int(tmp[2])
if year > 1989 and year < 2019:
    kekka ="Yes"
elif year == 1989 and month >= 1:
    if day >= 8:
        kekka = "Yes"
    else:
        kekka = "No"
elif year == 2019 and month <= 4:
    kekka = "Yes"
else:
    kekka = "No"
print(kekka)