Man pages matching name input in section 1:

input.1.en	debian 10 / psi3
input.1.en	debian 10 / yagiuda
input.1.en	debian 11 / psi3
input.1.en	debian 11 / yagiuda
input.1.en	debian 12 / psi3
input.1.en	debian 12 / yagiuda