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#include <cstdio>
short int min=2000;
inline void readUI(int *n)
{
    register char c = 0;
    while (c < 33) c=getc_unlocked(stdin);
    (*n) = 0;
    while (c>32)
    {
        (*n)=(*n)*10LL + (c-48);
        c=getc_unlocked(stdin);
    }
}
inline void read(short int *w)
{
    register char c = 0;
    while (c < 33) c=getc_unlocked(stdin);
    (*w) = 0;
    while (c>32)
    {
        (*w)=(*w)*10LL + (c-48);
        c=getc_unlocked(stdin);
    }
}

int main()
{
    int ilosc;

    int suma=0;
    short int banknot;
    readUI(&ilosc);
    while(ilosc--)
    {

        read(&banknot);
        suma+=banknot;
        if(banknot &1 && banknot<min) min=banknot;

    }
    if(~min&1) min=0;
    if(~suma&1) printf("%d\n",suma);
    else
    {
        suma-=min;
        if(suma==0)printf("NIESTETY\n") ;
        else printf("%d\n",suma);
    }
    return 0;
}