#![allow(non_snake_case)]

#[allow(unused_macros)]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut tokens = $s.split_whitespace();
        input_inner! { tokens, $($r)* }
    };

    ($($r:tt)*) => {
        let s = {
            use std::io::Read;
            let mut res = String::new();
            ::std::io::stdin().read_to_string(&mut res).unwrap();
            res
        };
        let mut tokens = s.split_whitespace();
        input_inner! { tokens, $($r)* }
    };
}

#[allow(unused_macros)]
macro_rules! input_inner {
    ($tokens:expr)  => {};
    ($tokens:expr,) => {};

    ($tokens:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($tokens, $t);
        input_inner! { $tokens $($r)* }
    };
}

#[allow(unused_macros)]
macro_rules! read_value {
    ($tokens:expr, ( $($t:tt),* )) => {
        $(read_value!($tokens, $t)),*
    };

    ($tokens:expr, [ $t:tt; $len:expr ]) => {
        (0..$len).map(|_| read_value!($tokens, $t)).collect::<Vec<_>>()
    };

    ($tokens:expr, chars) => {
        read_value!($tokens, String).chars().collect::<Vec<_>>()
    };

    ($tokens:expr, usize1) => {
        read_value!($tokens, usize) - 1
    };

    ($tokens:expr, $t:ty) => {
        $tokens.next().unwrap().parse::<$t>().expect("parse error")
    };
}

use std::iter;

fn main() {
    input! {
        K: u64,
    }

    if K == 0 {
        println!("1");
        println!("0");
        return;
    }

    for n_one in 2u64..30+1 {
        for n_zero in 0..30-n_one+1 {
            let x = n_one * (n_one-1) / 2 * 2u64.pow(n_zero as u32);
            if K == x {
                let n = n_one + n_zero;
                let it1 = iter::repeat("1 ").take(n_one as usize);
                let it2 = iter::repeat("0 ").take(n_zero as usize);
                let ans: String = it1.chain(it2).collect();
                let ans = ans.trim();
                println!("{}", n);
                println!("{}", ans);
                return;
            }
        }
    }
    panic!("NO ANSWER");
}