#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
#define INF (1<<30)
#define INFLL (1ll<<60)
typedef pair<int, int> P;
typedef pair<int, P> E;
#define MOD (1000000007ll)
#define l_ength size

void mul_mod(ll& a, ll b){
	a *= b;
	a %= MOD;
}

void add_mod(ll& a, ll b){
	a += b;
	if(a>MOD){
		a -= MOD;
	}
}

ll a,s;

int main(void){
	int n,m,cnt=0,i;
	cin >> n >> m;
	for(i=0; i<n; ++i){
		cin >> a;
		if(a%2){
			++cnt;
			s += a;
		}else{
			if(cnt>=m){
				cout << s << endl;
			}
			cnt = 0;
			s = 0ll;
		}
	}
	if(cnt>=m){
		cout << s << endl;
	}
	return 0;
}