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
#include<iostream>

using namespace std;


int suma=0, minimum=0,n,a;



int main(){

cin>>n;

for(int i=0; i<n; i++){
	cin>>a;
	suma+=a;
	if(a%2!=0){
	
		if(minimum==0)
			minimum=a;
		else if(a<minimum)
			minimum=a;
		}
	}
	
	if(n==1&&n%2!=0)
	cout<<"NIESTETY";
	else if(suma%2==0)
		cout<<suma;
		else cout<<suma-minimum;	
	
	
	
	
return 0;}