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 Rust (1.42.0) (judge verdict: Accepted)

#![allow(unused_imports)]
use proconio::marker::*;
use proconio::{fastout, input};

#[fastout]
fn main() {
    input! {
        n: usize,
    }

    let res = solve(n);
    println!("{}", res);
}

fn solve(n: usize) -> usize {
    if n == 0 {
        1
    } else {
        0
    }
}