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#include <iostream>


const std::string NIESTETY = "NIESTETY";
long n;
int theLowestOddBill, bill, sum = 0;


int main(int argc, char const *argv[]) {
    theLowestOddBill = 1001;
    std::cin >> n;
    for(int i = 0; i < n; ++i) {
        std::cin >> bill;
        sum += bill;
        if (bill%2) {
            if (bill < theLowestOddBill) {
                theLowestOddBill = bill;
            }
        }
    }
    if (sum%2) {
        if ((theLowestOddBill < 1001) && (sum > theLowestOddBill)) {
            std::cout << (sum - theLowestOddBill);
        } else {
            std::cout << NIESTETY;
        }
    } else {
        std::cout << sum;
    }

    return 0;
}