use std::io;
use std::io::prelude::*;

fn main() {
    let stdin = io::read_to_string(io::stdin()).unwrap();
    let mut stdin = stdin.split_whitespace();
    let stdout = io::stdout();
    let mut stdout = io::BufWriter::new(stdout.lock());

    let n = stdin.next().unwrap().parse::<f32>().unwrap();

    writeln!(stdout, "decimal\n{}", n).unwrap();
}