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#include <cstdio>
int main() {
    int n, a, sum=0, leastodd=9999;
    scanf("%d", &n);
    while (n--) {
        scanf("%d", &a);
        sum += a;
        if (a%2 && a<leastodd) leastodd = a;
    }
    if (sum == leastodd) printf("NIESTETY\n");
    else printf("%d\n", sum%2 ? sum-leastodd : sum);
    return 0;
}