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  1. import java.util.Scanner;
  2.  
  3. class Main {
  4. 	public static void main (String[] args) {
  5. 		int counter = 1;
  6. 		Scanner in = new Scanner(System.in);
  7. 		int quantity = in.nextInt();
  8. 		int instrument = in.nextInt();
  9. 		if ((quantity == 6 && instrument != 1) || (quantity == instrument && quantity % 2 == 0)) {
  10. 			System.out.print(0);
  11. 		} else if (quantity == instrument) {
  12. 			for (int num = 1; num % quantity != 0; num += 6) {
  13. 				if (num != 1 && num % quantity == 1){
  14. 					System.out.print(0);
  15. 					System.exit(0);
  16. 				} else {
  17. 					counter++;
  18. 				}
  19. 			}
  20. 			System.out.print(counter);
  21. 		} else {
  22. 			for (int num = 1; num % quantity != instrument; num += 6) {
  23. 				if (num != 1 && num % quantity == 1) {
  24. 					System.out.print(0);
  25. 					System.exit(0);
  26. 				} else {
  27. 					counter++;
  28. 				}
  29. 			}
  30. 			System.out.print(counter);
  31. 		}
  32. 	}
  33. }
Success #stdin #stdout 0.1s 35468KB
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https://ideone.com/bRn8iu
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
secret

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