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- public class Program {
- public static void main(String[] args) throws IOException {
- BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
- int a = Integer.parseInt(reader.readLine());
- int b = Integer.parseInt(reader.readLine());;
- ArrayList<Integer> arr = new ArrayList<>(200000000);
- for (int i = 0; i < 200000000; i++) {
- arr.add(i);
- System.out.println(i);
- }
- ArrayList<Integer> arrChet = new ArrayList<>();
- ArrayList<Integer> arrNotChet = new ArrayList<>();
- for (Integer integer : arr) {
- if (integer % 2 == 0) {
- arrChet.add(integer);
- } else {
- arrNotChet.add(integer);
- }
- }
- int result = 0;
- for (int i = 0; i < arrChet.size(); i++) {
- if (arrChet.get(i) == a) {
- result = i;
- }
- }
- for (int i = 0; i < arrNotChet.size(); i++) {
- if (arrNotChet.get(i) == b) {
- result = result - i;
- }
- }
- System.out.println(result);
- }
- }
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