The following packages have unmet dependencies.
 libstdc++6 : Breaks: libstdc++6:i386 (!= 5.4.0-6ubuntu1~16.04.4) but 7.1.0-5ubuntu2~14.04 is installed
 libstdc++6:i386 : Breaks: libstdc++6 (!= 7.1.0-5ubuntu2~14.04) but 5.4.0-6ubuntu1~16.04.4 is installed