#include<bits/stdc++.h>

using namespace std;
using int64 = long long;
const int mod = 1e9 + 7;

struct INFTY {
  const int64 infll = (1LL << 62) - 1;
  const int inf = (1 << 30) - 1;

  operator int64() { return infll; }

  operator int() { return inf; }
} inf;

struct IoSetup {
  IoSetup() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);
    cerr << fixed << setprecision(10);
  }
} iosetup;

template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
  for(int i = 0; i < (int) v.size(); i++) {
    os << v[i] << (i + 1 != v.size() ? " " : "");
  }
  return os;
}

template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
  for(T &in : v) is >> in;
  return is;
}

template< typename T1, typename T2 >
inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }

template< typename T1, typename T2 >
inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }

template< typename T = int64 >
vector< T > make_v(size_t a) {
  return vector< T >(a);
}

template< typename T, typename... Ts >
auto make_v(size_t a, Ts... ts) {
  return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...));
}

template< typename T, typename V >
typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) {
  t = v;
}

template< typename T, typename V >
typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) {
  for(auto &e : t) fill_v(e, v);
}

template< class T >
struct CumulativeSum {
  vector< T > data;

  CumulativeSum(int sz) : data(sz, 0) {};

  void add(int k, T x) {
    data[k] += x;
  }

  void build() {
    for(int i = 1; i < data.size(); i++) {
      data[i] += data[i - 1];
    }
  }

  T query(int k) {
    if(k < 0) return (0);
    return (data[min(k, (int) data.size() - 1)]);
  }
};

int main() {
  int N, M;
  cin >> N >> M;
  vector< int > A(N);
  cin >> A;
  CumulativeSum< int64 > S(N);
  for(int i = 0; i < N; i++) S.add(i, A[i]);
  S.build();

  vector< pair< int, int > > st;
  for(int i = 0; i < N; i++) {
    int p = A[i];
    if(p & 1) {
      if(st.size() && st.back().second + 1 == i) {
        st.back().second++;
      } else {
        st.emplace_back(i, i);
      }
    } else {
    }
  }


  vector< int64 > tap;
  for(auto &range : st) {
    if(range.second - range.first + 1 >= M) {
      tap.emplace_back(S.query(range.second) - S.query(range.first - 1));
    }
  }
  for(auto &p : tap) cout << p << endl;
}