print((0.<30).map(i -> bits:popcount(Int64(3) ^ i)))

[Int] evil, odious
V i = 0
L evil.len < 30 | odious.len < 30
   V p = bits:popcount(i)
   I (p % 2) != 0
      odious.append(i)
   E
      evil.append(i)
   i++

print(evil[0.<30])
print(odious[0.<30])