#include <bits/stdc++.h>
#define rep(i, a, n) for(int i = a; i < n; i++)
#define int long long
using namespace std;
typedef pair<int, int> P;
const int mod = 1000000007;
const int INF = 1e18;

signed main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int n, m;
    cin >> n >> m;
    int sum = 0, cnt = 0;
    vector<int> a(n);
    rep(i, 0, n){
        cin >> a[i];
    }
    a.push_back(INF);
    rep(i, 0, n + 1){
        if(a[i] % 2){
            sum += a[i];
            cnt++;
        }else{
            if(cnt >= m){
                cout << sum << endl;
            }
            sum = 0;
            cnt = 0;
        }
    }
}