func main() var n: int :: cui@inputInt() var k: bit64 :: cui@inputInt() $ bit64 var map: dict :: #dict var xor: bit64 :: 0b64 var ans: bool :: false for i(0, n - 1) var a: bit64 :: cui@inputInt() $ bit64 do xor :: xor.xor(a) if(map.get(xor.xor(k), &)) do ans :: true end if do map.add(xor, true) end for do cui@print(ans ?("Yes\n", "No\n")) end func