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
#include <cstdio>
#include <climits>

int main(void){
	long n, val, sum = 0, minOdd = LONG_MAX;
	bool even = true;
	
	scanf("%ld",&n);
	
	for(int i=0;i<n;++i){
		scanf("%ld",&val);
		sum += val;
		
		if(val & 1){
			even = !even;
			
			if(val<minOdd)
				minOdd = val;
		}
	}
	
	if(!even)
		sum -= minOdd;
		
	if(sum>0)
		printf("%ld\n",sum);
	else
		printf("NIESTETY\n");
	
	return 0;
}