$ sudo apt-get update
$ sudo apt-get install foo-yc20 

foo-yc20 is installed in your system.

Make ensure the foo-yc20 package were installed using the commands given below,

$ sudo dpkg-query -l | grep foo-yc20 *

You will get with foo-yc20 package name, version, architecture and description in a table

foo-yc20 package basic information: