#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define fi first
#define se second
#define rep(i,s,n) for(int i = s;i<n;i++)
#define rrep(i,s,n) for(int i = (n)-1;i>=(s);i--)
#define all(v) (v).begin(),(v).end()
#define chmin(a,b) a=min((a),(b))
#define chmax(a,b) a=max((a),(b))
#define endl '\n'
#define IOS() ios_base::sync_with_stdio(0);cin.tie(0)
typedef long long ll;
typedef pair<int,int>pint;
typedef vector<int>vint;
typedef vector<pint>vpint;
const ll MOD=1000000007,INF=1ll<<60;
int dx[]={0,0,1,-1},dy[]={-1,1,0,0};
typedef pair<int,pint>P2;

int N,M;

signed main() {
    IOS();
    cin>>N>>M;
    int tmp=0,cnt=0;
    rep(i,0,N){
        int a;
        cin>>a;
        if(a%2){
            cnt++;
            tmp+=a;
        }else{
            if(cnt>=M){
                cout<<tmp<<endl;
            }
            cnt=0;
            tmp=0;
        }
    }
    if(cnt>=M){
        cout<<tmp<<endl;
    }
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    return 0;
}