These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] sci-biology/yass-1.14-r4::gentoo  USE="threads -lowmem" 231 KiB

Total: 1 package (1 new), Size of downloads: 231 KiB