#include <cstdio>
#include <cstdlib>
#include <cstddef>
#include <vector>
#include <algorithm>
#include <cmath>
#include <string>
#include <iostream>
#include <iomanip>

int main(void)
{
	long n, m;
	std::cin >> n >> m;
    long sum = 0;
    long len = 0;
    for(long i = 0; i < n; i++){
        long a;
        std::cin >> a;
        if(a % 2 == 0){
            if(sum != 0){
                if(m <= len){
                    std::cout << sum << std::endl;
                }
                len = 0;
                sum = 0;
            }
        } else {
            len++;
            sum += a;
        }
    }
    if(sum != 0) {
        if(m <= len){
            std::cout << sum << std::endl;
        }
    }
	return 0;
}