#include <bits/stdc++.h>
constexpr int INF = 2147483647;
constexpr long long int INF_LL = 9223372036854775807;
constexpr int MOD = 1000000007;
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;

random_device rnd;

int main(int argc, char* argv[]) {
	ll N, M;
	cin >> N >> M;
	vector < vector < ll >> A;
	A.push_back(vector<ll>());
	for (int i = 0; i < N; i++) {
		int tmp;
		cin >> tmp;
		if (tmp % 2 == 1) {
			A.back().push_back(tmp);
		}
		else {
			A.push_back(vector<ll>());
		}
	}
	for (int i = 0; i < A.size(); i++) {
		if (A[i].size() >= M) {
            ll ans = 0;
            for(int j = 0; j < A[i].size(); j++)ans += A[i][j];
            cout << ans << endl;
		}
	}
}