N, M = gets.split.map &:to_i
A = gets.split.map(&:to_i).sort.reverse
m = N - M
res = A.inject(:^)
sub = []
A.group_by{|a|Math.log2(a).floor}.each{|k, v|
  ok = res & 2**k != 0
  v.pop if ok ^ v.size.even?
  v.each{|n|
    res ^= n
    sub << n
    m -= 1
    if m == 0
      puts (A - sub)*" "
      exit
    end
  }
}
puts (A - sub).max(M)*" "