use std::io::{self, BufRead, Write};

struct Solver<'a> {
    reader: io::BufReader<io::StdinLock<'a>>,
    writer: io::BufWriter<io::StdoutLock<'a>>,
}

impl Solver<'_> {
    fn read_line(&mut self) -> String {
        let mut input = String::new();
        self.reader.read_line(&mut input).unwrap();
        input
    }

    fn read<T: std::str::FromStr>(&mut self) -> T {
        let input = self.read_line();
        input.trim_end().parse().ok().unwrap()
    }

    fn write<T: std::fmt::Display>(&mut self, ans: T) {
        write!(self.writer, "{}", ans).unwrap();
    }

    fn solve(&mut self) {
        let n = self.read::<usize>();

        self.write("01");
        for _ in 0..n {
            self.write("0");
        }
        self.write('\n');
    }

    fn run() {
        let (stdin, stdout) = (io::stdin(), io::stdout());
        let reader = io::BufReader::new(stdin.lock());
        let writer = io::BufWriter::new(stdout.lock());
        let mut solver = Solver { reader, writer };
        solver.solve();
    }
}

fn main() {
    Solver::run();
}