using System;

public class Hello
{
    static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var n = int.Parse(line[0]);
        var m = int.Parse(line[1]);
         line = Console.ReadLine().Trim().Split(' ');
        var a = Array.ConvertAll(line, int.Parse);
        getAns(a, n, m);
    }
    static void getAns (int[] a, int n , int m)
    {
        var sum = 0L;
        var count = 0;
        for (int i = 0; i < n; i++)
        {
            if (a[i]% 2 == 1) { sum += a[i]; count++; }
            else
            {
                if (count >= m) Console.WriteLine(sum);
                sum = 0L;
                count = 0;
            }
        }
        if (count >= m) Console.WriteLine(sum);
    }
}