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import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.StreamTokenizer;

public class kie {

	private static String result() {
		int minOdd = 1000000001;
		int sum = 0;
		int nextInt = 0;

		InputStreamReader isr = new InputStreamReader(System.in);

		StreamTokenizer st = new StreamTokenizer(new BufferedReader(isr));

		try {
			st.nextToken();
			int n = (int) st.nval;
			for (int i = 0; i < n; i++) {
				st.nextToken();
				nextInt = (int) st.nval;
				sum += nextInt;
				if (nextInt % 2 == 1) {
					minOdd = Math.min(minOdd, nextInt);
				}
			}

		//	isr.close();

			if (sum % 2 == 0)
				return Integer.toString(sum);

			if (n == 1)
				return "NIESTETY";

			return Integer.toString(sum - minOdd);

		} catch (Exception e) {

		}
		return "NIESTETY";
	}

	public static void main(String[] args) {
		System.out.println(result());
		System.exit(0);
	}

}