isGender.lua

--Needs Lua 5.3 and hardware signed integer support, we are doing Advanced Gender Computations.

return function(str)
	local function f(m,n)if m==0 then return n+1 elseif n==0 then return f(~m,1) else return f(~m,f(m,~n))end end
	return f(tonumber(str:sub(0,#str//2),36)or ~0,tonumber(str:sub(#str//2+1),36)or ~0)&1==0
end