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