1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
# include <cstdio>
int main()
{
int n;
scanf("%d", &n);
long long sum=0, oddcou=0, min=1000000000;
for (int i=0; i<n; ++i)
{
int x;
scanf("%d", &x);
if (x%2)
{
oddcou++;
if (min>x)
min=x;
}
sum+=x;
}
long long res=sum-(oddcou%2?min:0);
if (res)
printf("%lld\n", sum-(oddcou%2?min:0));
else printf("NIESTETY\n");
}