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)

macro_rules! numin {
      () =>{
          {
            let mut input = String::new();
              std::io::stdin()
                  .read_line(&mut input)
                .expect("Failed to read line");
              input.trim().parse().unwrap()
        }
    };
}
fn main() {
    let n :i32 = numin!();
    // let n = 0;
    if n==0 { println!("{}",1) }
    else { println!("{}",0) }
}