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  1. import java.util.Scanner;
  2.  
  3. public class Main {
  4.     public static void main(String[] args) {
  5.         Scanner scanner = new Scanner(System.in);
  6.         int x = scanner.nextInt();
  7.         if (x == 1) {
  8.             System.out.println(-1);
  9.         } else {
  10.             System.out.println(x ^ 1);
  11.         }
  12.     }
  13. }
Success #stdin #stdout 0.14s 54580KB
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https://ideone.com/5Yawo5
language:
Java (HotSpot 12)
created:
4 days ago
visibility:
public

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