Y, M, D = map(int, input().split())
if Y >= 1990 and 2018 >= Y:
    print('Yes')
elif Y == 1989 and M > 1:
    print('Yes')
elif Y == 1989 and M == 1 and D >= 8:  
    print('Yes')
elif Y == 2019 and M < 5:
    print('Yes')
else:
    print('No')