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#include <iostream>

using namespace std;

int main(){
    int b,c,s,a,i;
    b=0;
    c=0;
    s=0;
    cin>>a;
    int tab[a];
    for(i=0;i<a;i++){cin>>tab[i];}
    for(i=0;i<a;i++){
        if (tab[i]%2==1){
            if (c==0){c=tab[i];}
            else {
                if(b==0){b=tab[i];}
                else {
                    if(c>b){
                        if(b<tab[i]){
                            s=s+tab[i]+c;
                            c=b;
                        }
                        else {
                            s=s+b+c;
                            c=tab[i];
                        }
                    }
                    else {
                        if(c<tab[i])
                        {s=s+tab[i]+b;}
                        else {
                            s=s+b+c;
                            c=tab[i];
                        }
                    }
                }
            }
        }
        else {s=s+tab[i];}
    }
    if (s==0){cout << "NIESTETY" << endl;}
    else {cout <<s<<endl;}
    return 0;
}