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)

public class Main{

	public static void main(String[] args){


		long a = Long.getLong(args[0]);
		long b = Long.getLong(args[1]);
		long c = Long.getLong(args[2]);
		long d = Long.getLong(args[3]);

		long answer=0;

		if(Math.multiplyExact(a, c) > answer) {
			answer = Math.multiplyExact(a, c);
		}
		if(Math.multiplyExact(a, d) > answer) {
			answer = Math.multiplyExact(a, d);
		}

		if(Math.multiplyExact(b, c) > answer) {
			answer = Math.multiplyExact(a, c);
		}
		if(Math.multiplyExact(b, d) > answer) {
			answer = Math.multiplyExact(a, d);
		}
		System.out.print(answer);
	}

}