use deindent::Deindenter;
use std::io::{self, Read, Result};
fn main() -> Result<()> {
let mut input = String::new();
io::stdin().read_to_string(&mut input).unwrap();
let Some(deindenter) = Deindenter::new(&input) else {
return Ok(());
};
let mut out = io::stdout().lock();
deindenter.to_writer(&mut out)
}