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