#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n, m;
    cin >> n >> m;

    ll s = 0;
    for (int i = 0; i < n; i++) {
        int a;
        cin >> a;
        if (a % 2) {
            s += a;
        } else if (s) {
            cout << s << '\n';
            s = 0;
        }
    }
    if (s) cout << s << '\n';

    return 0;
}