avidemux cannot be installed

I do not understand all this, but I cannot install avidemux that I was using in 14.04

If this cannot be installed can I uninstall 16.04 and return to 14.xx?

$ sudo apt-get install avidemux
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package avidemux is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
However the following packages replace it:
  libavidemux0

E: Package 'avidemux' has no installation candidate
worik@sharron:/tmp$ apt-cache show avidemux
Package: avidemux
Status: install ok config-files
Priority: optional
Section: graphics
Installed-Size: 2077
Maintainer: Alessio Treglia <email address hidden>
Architecture: amd64
Version: 1:2.5.4-0ubuntu14
Config-Version: 1:2.5.4-0ubuntu14
Depends: libatk1.0-0 (>= 1.12.4), libavidemux0 (>= 1:2.5.4), libc6 (>= 2.14), libcairo2 (>= 1.2.4), libgcc1 (>= 1:4.1.1), libgdk-pixbuf2.0-0 (>= 2.22.0), libglib2.0-0 (>= 2.37.3), libgtk2.0-0 (>= 2.24.0), libsdl1.2debian (>= 1.2.11), libstdc++6 (>= 4.6), libvpx1 (>= 1.0.0), libx11-6, libxext6, libxml2 (>= 2.7.4), libxv1, avidemux-common
Recommends: avidemux-plugins-gtk
Description: a free video editor - GTK version
 Avidemux is a free video editor designed for simple cutting, filtering and
 encoding tasks. It supports many file types, including AVI, DVD compatible
 MPEG files, MP4 and ASF, using a variety of codecs. Tasks can be automated
 using projects, job queue and powerful scripting capabilities.
 .
 This package contains the classic version with GTK+ interface.
Description-md5: e7e5d19d08ac3181ccb244d7a40fd2fd
Homepage: http://avidemux.org

$ lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04