#include <bits/stdc++.h>
using namespace std;

int main() {
    int n, m;
    cin >> n >> m;
    long long sum = 0;
    int cnt = 0;
    for (int i = 0; i < n; i++) {
        int a;
        cin >> a;
        if (a & 1) {
            sum += a;
            cnt++;
        } else {
            if (cnt >= m) cout << sum << '\n';
            sum = 0;
            cnt = 0;
        }
    }
    if (cnt >= m) cout << sum << '\n';
}