Y,M,D=map(int,input().split())
if 1989<Y<2019:
    print('Yes')
elif Y==1989:
    if M>1:
        print('Yes')
    elif M==1:
        if D>=8:
            print('Yes')
        else:
            print('No')
    else:
        print('No')
elif Y==2019:
    if M<4:
        print('Yes')
    elif M==4:
        if D<=30:
            print('Yes')
        else:
            print('No')
    else:
        print('No')
else:
    print('No')