import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        
        Scanner sc = new Scanner(System.in);
        
        int n = sc.nextInt();
        int m = sc.nextInt();
        int[] as = new int[n];
        for (int i = 0 ; i < n ; i++){
            as[i] = sc.nextInt();
        } 
        
        List<Long> ansList = new ArrayList<>();
        for (int i = 0 ; i < n ; i++){
            int a = as[i];
            if(a % 2 == 1){
                int cnt = 1;
                long sum = a;
                while(i < n - 1 && as[i+1] % 2 == 1){
                    sum += as[i+1];
                    cnt++;
                    i++;
                }
                if(cnt >= m){
                    ansList.add(sum);
                }
            }
        } 
        
        for (long i : ansList){
            System.out.println(i);
        }
        
    }
}