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 JavaScript (Node.js 12.16.1) (judge verdict: Accepted)

function Main(input){
if(parseInt(input) === 1){
  console.log(0)
}
else if (parseInt(input) === 0){
  console.log(1)
}
else {console.log(null)}
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));