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- import java.util.Scanner;
- public class EvenNumbers {
- public static void main(String[] args){
- Scanner scanner = new Scanner(System.in);
- String input = scanner.nextLine();
- input = input.replaceAll("[^-?0-9]+", " ").trim();
- String[] words = input.split(" ");
- if(input.equals("")){
- System.out.print(-1);
- return;
- }
- Long maxEvenNumber = Long.MIN_VALUE;
- boolean isFind = false;
- long[] numbers = new long[words.length];
- for(int i = 0; i < words.length; i ++){
- numbers[i] = Integer.parseInt(words[i]);
- if(numbers[i] % 2 == 0){
- long evenNumber = numbers[i];
- if(evenNumber > maxEvenNumber){
- maxEvenNumber = evenNumber;
- }
- isFind = true;
- }
- }
- if(isFind){
- System.out.println(maxEvenNumber);
- }else {
- System.out.print(-1);
- }
- }
- }
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