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 C# (Mono-mcs 6.8.0.105) (judge verdict: Accepted)

using System;
public class Hello{
    public static void Main(){
        
        int input = 0;
        input = int.Parse(Console.ReadLine());
        
        if (input == 0) {
            Console.WriteLine(1);
        } else {
            Console.WriteLine(0);
        }
    }
}