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/*
 * Kie.cpp
 *
 *  Created on: 28 wrz 2015
 *      Author: Marcin Skibinski
 */

#include "cstdio"
#include "algorithm"

inline bool isOdd(const int & bill)
{
    return bill & 1;
}

int main()
{
    int n, a;
    int sum = 0;
    int minOddBill = 999, numberOfOddBills = 0;

    std::scanf("%d", &n);

    for (int i=0; i<n; ++i)
    {
        std::scanf("%d", &a);

        if (isOdd(a))
        {
            minOddBill = std::min(minOddBill, a);
            ++numberOfOddBills;
        }
        sum += a;
    }

    if (isOdd(numberOfOddBills))
    {
        sum -= minOddBill;
    }

    if (sum)
    {
        std::printf("%d\n", sum);
    }
    else
    {
        std::printf("NIESTETY\n");
    }

    return 0;
}