#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { cin.tie(0); ios::sync_with_stdio(false); int n, m; cin >> n >> m; vector<ll> a(n), sum(n + 1, 0); for (int i = 0; i < n; i++) { cin >> a[i]; sum[i + 1] = a[i] + sum[i]; } int idx = -1; for (int i = 0; i < n; i++) { if (a[i] % 2 == 0) { if (idx == -1) continue; if (i - idx >= m) cout << sum[i] - sum[idx] << "\n"; idx = -1; } else { if (idx == -1) idx = i; } } if (idx != -1) { if (n - idx >= m) cout << sum[n] - sum[idx] << "\n"; } return 0; }