1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | #include <cstdio>
int main() {
int n;
long long sum = 0;
long long min = 1001;
int odd_count = 0;
scanf("%d", &n);
for (int i = 0; i < n; ++i) {
long long v;
scanf("%lld", &v);
sum += v;
if (v & 0x1) {
++odd_count;
if (v < min)
min = v;
}
}
if (odd_count & 0x1) {
sum -= min;
}
if (sum == 0)
printf("NIESTETY\n");
else
printf("%lld\n", sum);
return 0;
}
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