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
29
30
31
32
#include <iostream>
#include <cstdint>

using namespace std;

int main()
{
	uint32_t n;
	cin >> n;

	uint32_t sum = 0;
	uint32_t smallest_odd = UINT32_MAX;

	for (uint32_t i = 0; i < n; i++)
	{
		uint32_t a;
		cin >> a;
		sum +=a;
		if ((a%2 == 1) && (a < smallest_odd))
			smallest_odd = a;
	}

	if (sum%2 == 1)
		sum -= smallest_odd;

	if (sum == 0)
		cout << "NIESTETY";
	else
		cout << sum;

	return 0;
}