#include<bits/stdc++.h>
using namespace std;

using i64 = int64_t;

int main(){
    int n, m;
    cin >> n >> m;
    i64 sum = 0;
    for(int i=0;i<n;++i){
        i64 a;
        cin >> a;
        if(a % 2){
            sum += a;
        }else if(sum > 0){
            cout << sum << endl;
            sum = 0;
        }
    }
    if(sum > 0)cout << sum << endl;

    return 0;
}