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
#include <iostream>
#include <stdio.h>
using namespace std;
int main()
{
    //ios_base::sync_with_stdio(0);
    long long suma = 0;
    int a,b;
    //cin >> a;
    scanf("%d",&(a));
    int minn = 1001;
    int liczbaniep = 0;
    for(int i = 0; i< a; i++)
    {
        scanf("%d",&(b));
        if(b%2==1)
            {
                liczbaniep++;
                if(minn>b)
                    minn=b;
            }
        suma+=b;
    }
    if(liczbaniep%2==1 && a==1)
       printf("NIESTETY");  // cout << "NIESTETY";
    else
    if(liczbaniep%2==0)
       printf("%lld",suma); //cout << suma;
    else
    if(liczbaniep%2==1 && a!=1)
       printf("%lld",suma-minn);//cout << suma - minn;
    return 0;
}