#![allow(unused_imports)]
use std::cmp::*;
use std::collections::*;
use std::io::Write;
use std::ops::Bound::*;

#[allow(unused_macros)]
macro_rules! debug {
    ($($e:expr),*) => {
        #[cfg(debug_assertions)]
        $({
            let (e, mut err) = (stringify!($e), std::io::stderr());
            writeln!(err, "{} = {:?}", e, $e).unwrap()
        })*
    };
}

fn main() {
    let mut n = read::<i64>();
    if n == 0 {
        println!("-1");
        return;
    }
    let f = |x: i64| 2 * x - 1;

    let mut answers = vec![];
    while n > 0 {
        for i in (0..42).rev() {
            let a = 1i64 << i;
            if a >= 2 * n {
                continue;
            }
            if f(a) <= n {
                n -= f(a);
                answers.push(a);
                break;
            }
        }
    }
    debug!(answers);
    println!("{}", answers.len());
    for ans in answers {
        print!("{} ", ans);
    }
    println!("");
}

fn read<T: std::str::FromStr>() -> T {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().parse().ok().unwrap()
}

fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    read::<String>()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}