def main():
    import sys
    input = sys.stdin.read().split()
    idx = 0
    N = int(input[idx])
    idx += 1
    M = int(input[idx])
    idx += 1
    A = list(map(int, input[idx:idx+N]))
    idx += N

    # Compute prefix sums
    prefix_sum = [0] * (N + 1)
    for i in range(N):
        prefix_sum[i+1] = prefix_sum[i] + A[i]

    result = []
    in_run = False
    start = 0

    for i in range(N):
        if A[i] % 2 == 1:
            if not in_run:
                start = i
                in_run = True
        else:
            if in_run:
                end = i - 1
                run_length = end - start + 1
                if run_length >= M:
                    s = prefix_sum[end + 1] - prefix_sum[start]
                    result.append(s)
                in_run = False

    # Check if the last run is still active
    if in_run:
        end = N - 1
        run_length = end - start + 1
        if run_length >= M:
            s = prefix_sum[end + 1] - prefix_sum[start]
            result.append(s)

    # Print the results
    for num in result:
        print(num)

if __name__ == "__main__":
    main()