>>103249244
What is this mumbo jumbo. Why don't you use a more readable language like Python.
def is_even(x):
return (lambda f,x:f(x,1)//2==f(x,0)//2)(lambda a,b:(lambda x,y,z:x(x,y,z))
((lambda s,c,d:(d and[s(s,c^d,(d&c)<<1)]or[c])[0]),a|b,a&b),abs(x))