N, M = gets.split.map(&:to_i)
A = gets.split.map(&:to_i)

s = 0
len = 0
sum = 0

while s < N
  if A[s].even?
    puts sum if len >= M

    s += 1
    len = 0
    sum = 0
  else
    len += 1
    sum += A[s]
    s += 1
  end
end

if len >= M
  puts sum
end