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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;

public class kie {
	// by asokoly
	private static int skipWhitespace(final InputStream in) throws IOException {
		int val = -1;
		while ((val = in.read()) != -1) {
			if (!Character.isWhitespace((char) val))
				break;
		}

		return val;
	}

	private static int readInt(final InputStream in) {
		final StringBuilder b = new StringBuilder();
		try {
			int val = skipWhitespace(in);
			b.append((char) val);
			while ((val = in.read()) != -1) {
				if (Character.isWhitespace((char) val))
					break;
				b.append((char) val);
			}
			return Integer.parseInt(b.toString());
		} catch (final IOException e) {
			throw new RuntimeException(e);
		}
	}
	// by asokoly */

	public static void run(final InputStream in, PrintStream out) {
		int n = readInt(in);
		long suma = 0;
		int b_min = Integer.MAX_VALUE;
		for (int i = 0; i < n; i++) {
			int a = readInt(in);
			if (a < b_min && a % 2 == 1) {
				b_min = a;
			}
			suma += a;
		}
		if (suma % 2 == 1)
		{
			suma -= b_min;
		}
		out.println(suma > 0 && suma % 2 == 0 ? suma : "NIESTETY");
	}

	public static void main(String[] args) {
		run(System.in, System.out);
	}
}