Only one thing will kill C and C++

The heat death of the Universe.
Suck it, Rust fags.

>>10
It's hard to believe you are really this stupid. I would assume you think you are "trolling" by pretending to not understand this - in case you really just don't get it and want to understand:

There is no 'print' statement in lambda calculus. Your "challenge" is underspecified, you would need a convention for io operations.