fcitx-ui-classic software package provides Flexible Input Method Framework - Classic user interface, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fcitx-ui-classic
fcitx-ui-classic is installed in your system.
Make ensure the fcitx-ui-classic package were installed using the commands given below,
$ sudo dpkg-query -l | grep fcitx-ui-classic *
You will get with fcitx-ui-classic package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Utilities |
| Package | fcitx-ui-classic |
| Version | 1:4.2.9.1-3 |
| Description | Flexible Input Method Framework - Classic user interface |
| Sub Section | Utils |