// 홀수
package Bronze_III_3;
import java.io.*;
public class Ex2576 {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
int[] arr = new int[7];
int oddSum = 0;
int oddMin = 0;
for (int i = 0; i < 7; i++) {
arr[i] = Integer.parseInt(br.readLine());
if (arr[i] % 2 != 0) {
oddSum += arr[i];
if (arr[i] < oddMin || oddMin == 0) {
oddMin = arr[i];
}
}
}
if (oddSum == 0) {
bw.write(String.valueOf(-1));
bw.newLine();
} else {
bw.write(String.valueOf(oddSum));
bw.newLine();
bw.write(String.valueOf(oddMin));
bw.newLine();
}
bw.flush();
bw.close();
}
}