int main()
{
FastIO();
LL n,i,var,e,l,ans=0;
VLL v;
cin >>n;
for(i=0;i<n;i++)
{
cin >>var;
if(var%2==0)
ans=ans+var;
else
v.PB(var);
}
sort(all(v));
l=v.size();
if(l%2==0)
e=0;
else
e=1;
for(i=l-1;i>=e;i--)
ans=ans+v[i];
cout <<ans<<"\n";
return 0;
}
int main()
{
int t; si(t); while(t--)
{
LL x; cin>>x;
VLL tp = f(x);
cout<<tp.size()<<endl;
for(auto c : tp) cout<<c<<" "; cout<<endl;
}
return 0;
}
LL res=0;
REP(i,n) res+=a[num][i];
return res;
}
LL sum(int num){
LL res=0;
REP(i,n) res+=a[i][num];
return res;
}
PLL naname(){
LL res1=0,res2=0;
REP(i,n) res1+=a[i][i],res2+=a[n-i-1][i];
return MP(res1,res2);
}
void vecout(VLL a){
REP(i,a.size()){
REP(j,a[i].size()) cout << a[i][j] << " ";
cout << endl;
}
}
signed main(void){
cin >> n;
a=VLL(n,VL(n));
PII p;
REP(i,n)REP(j,n){
cin >> a[i][j];
if(a[i][j]==0){
p=MP(i,j);
}
}
