0
,,,, 1 byte
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Yeah, yeah, a builtin... However, I do have other solutions.
2 bytes
1&
Explanation
1&
implicit input
1 push 1
& pop input and 1 and push input & 1 (bitwise AND)
implicit output
2 bytes
2%
Explanation
2%
implicit input
2 push 2
% pop input and 2 a...