fn remove_first(s: &str) -> Option<String> {
  if s.len() == 0 {
    None
  } else {
    Some(s.to_string().chars().skip(1).collect())
  }
}
 
fn main() {
  let mut s = String::new();
  std::io::stdin().read_line(&mut s).ok();
  let s = s.trim();
 
  println!("{:?}", remove_first(&s));
}