Y, M, D = map(int, input().split())

if 1990 <= Y <= 2018:
    print("Yes")
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("No")