N, M = gets.split.map &:to_i
A = gets.split.map(&:to_i).sort
m = N - M
ans = A.dup
res = A.inject(:^)
A.group_by{|a|Math.log2(a).floor}.each{|k, v|
  oddp = res & 2**k != 0
  v.pop if oddp
  v.each{|n|
    res ^= n
    ans.delete_at(ans.bsearch_index{|a|a>n})
    m -= 1
    if m == 0
      puts ans*" "
      exit
    end
  }
}
puts ans.max(M)*" "