Problem:
Score : 100 points

Problem Statement

Given is an integer x that is greater than or equal to 0, and less than or equal to 1.
Output 1 if x is equal to 0, or 0 if x is equal to 1.

Constraints

0 \leq x \leq 1

x is an integer

Input

Input is given from Standard Input in the following format:

x

Output

Print 1 if x is equal to 0, or 0 if x is equal to 1.

Sample Input 1

1

Sample Output 1

0

Sample Input 2

0

Sample Output 2

1

Solution in Java (OpenJDK 11.0.6) (judge verdict: Runtime Error)

import java.util.*;
class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    int d = sc.nextInt();
    
    int x = a * c;
    int y = a * d;
    int z = b * c;
    int w = b * d;
    int[] aa = new int[4];
    
    aa[0] = x;
    aa[1] = y;
    aa[2] = z;
    aa[3] = w;
    int max = x;

    for(int i = 0; i < 4; i++){
      if(aa[i] >= max){
        max = aa[i];
      }
    }
    System.out.print(max);
  }
}