1  /* 
 2   * Accept user input of 1 number and print the opposite value 
 3   * Constraints :
 4   * 1. 1 <= input <= 2
 5   * If input is 1, we should display 1 and if input is 2, we should display 1
 6   * Do not use comparison operators
 7   */ 
 8  
 9  import java.util.Scanner; 
10  
11  public class assignment_25 {
12    public static int approach1(int num) {
13      return 3 - num;
14    }
15  
16    public static int approach2(int num) {
17      return 2 / num;
18    }
19    public static void main(String[] args) {
20      Scanner sc = new Scanner(System.in);
21  
22      int input = sc.nextInt();
23      System.out.println("Approach 1 output: ");
24      int approach1_op = approach1(input);
25      System.out.println(approach1_op);
26  
27      System.out.println("Approach2 output: ");
28      int approach2_op = approach2(input);
29      System.out.println(approach2_op);
30    }
31  }