#include<bits/stdc++.h>
using namespace std;
using Int = long long;
template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}

//INSERT ABOVE HERE
signed main(){
  Int n,m;
  cin>>n>>m;
  vector<Int> a(n);
  for(Int i=0;i<n;i++) cin>>a[i];
  for(Int i=0;i<n;i++){
    if(a[i]%2==0) continue;
    Int j=i;
    while(i<n&&a[i]%2==1) i++;
    if(i-j<m) continue;
    Int s=0;
    for(Int k=j;k<i;k++) s+=a[k];
    cout<<s<<endl;
  }
  return 0;
}