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#include <iostream>

main() {


  int n, val, sum=0, min=9999;

  std::cin >> n;

  while (n--) {	
  	std::cin >> val;
	if ((min > val) && (val & 1))
	   min = val;
	sum += val;
  }
  if (sum & 1)
	sum -= min;	  

  if (sum)
  	std::cout << sum << std::endl;	
  else 
	std::cout << "NIESTETY" << std::endl;
  return 0;
}