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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
#include <iostream>
#include <limits>

inline bool isEven(unsigned num) {
  return ((num % 2) == 0);
}

int main(void) {
  unsigned n = 0;

  std::cin.sync_with_stdio(false);
  std::cout.sync_with_stdio(false);

  std::cin >> n;

  long long sumEven = 0;
  long long noEven = 0;

  long long sumOdd = 0;
  long long noOdd = 0;
  long long minOdd = std::numeric_limits<long long>::max();

  for (unsigned i = 0; i < n; ++i) {
    unsigned num = 0;
    std::cin >> num;
    if (isEven(num)) {
      ++noEven;
      sumEven += num;
    }
    else {
      ++noOdd;
      sumOdd += num;
      if (minOdd > num)
        minOdd = num;
    }
  }

  long long result = 0;

  if (isEven(noOdd))
    result = sumEven + sumOdd;
  else
    result = sumEven + sumOdd - minOdd;

  if (result > 0)
    std::cout << result << std::endl;
  else
    std::cout << "NIESTETY" << std::endl;

  return 0;
}