use std::io::{Write, Read, ErrorKind, stdin, stdout};
use chrono::prelude::*;


#[inline(always)]
fn print_time() {
    let date_now = Local::now().format("%H:%M:%S%.9f");

    let color_green = "\x1b\x5b\x30\x3b\x33\x32\x6d";
    let color_off = "\x1b\x5b\x30\x6d";

    print!("{}[{}]{} ", color_green, &date_now, color_off);
}


fn main() {
    let out = stdout();
    let mut output = out.lock();

    let inp = stdin();
    let mut input = inp.lock();


    print_time();
    loop {
        let mut buf = [0; 1];

        let _ = input.read_exact(&mut buf).map_err(|e| {

            if e.kind() != ErrorKind::UnexpectedEof {
                println!("{}", e.to_string());
                std::process::exit(1);
            }

            let _ = output.flush();
            std::process::exit(0);
        });


        if buf[0] == 0xa {
            print!("\n");
            print_time();
            continue;
        }

        let _ = output.write_all(&mut buf);
        let _ = output.flush();
    }
}