#![allow(dead_code)]
#![allow(unused_imports)]
#![allow(non_snake_case)]
#![allow(unused_variables)]

pub mod scanner {
    pub struct Scanner {
        buf: Vec<String>,
    }

    impl Scanner  {
        pub fn new() -> Self {
            Self { buf: vec![] }
        }

        pub fn new_from(source: &str) -> Self {
            let source = String::from(source);
            let buf = Self::split(source);
            Self { buf }
        }

        pub fn next<T: std::str::FromStr>(&mut self) -> T {
            loop {
                if let Some(x) = self.buf.pop() {
                    return x.parse().ok().expect("");
                }
                let mut source = String::new();
                std::io::stdin().read_line(&mut source).expect("");
                self.buf = Self::split(source);
            }
        }

        fn split(source: String) -> Vec<String> {
            source
                .split_whitespace()
                .rev()
                .map(String::from)
                .collect::<Vec<_>>()
        }
    }
}

use crate::scanner::Scanner;
use std::collections::*;

const UINF: usize = std::usize::MAX;
const IINF: isize = std::isize::MAX;
const UMOD: usize = 998244353;
//const UMOD: usize = 1000000007;
const IMOD: isize = 998244353;
//const IMOD: isize = 1000000007;

fn yn(flag: bool) {
    if flag { println!("Yes") }
    else { println!("No") }
}

fn YN(flag: bool) {
    if flag { println!("YES") }
    else { println!("NO") }
}

fn print_vec<T: std::fmt::Display>(a: &Vec<T>, sep: &str) {
    if a.is_empty() { println!("") }
    else {
        let dst: Vec<String> = a.iter().map(|x| x.to_string()).collect();
        println!("{}", dst.join(sep));
    }
}

fn main() {
    let mut scanner = Scanner::new();
    let t = 1;
    for _ in 0..t {
        solve(&mut scanner);
    }
}

fn solve(scanner: &mut Scanner) {
    let mut p = HashSet::new();
    for i in 1..=60 {
        p.insert(2_usize.pow(i));
    }
    let mut n: usize = scanner.next();
    let mut ans = Vec::new();
    while n > 1 {
        if n > 1e18 as usize {
            println!("ng");
        }
        if n % 2 == 0 {
            n /= 2;
            ans.push('/');
        } else {
            if p.contains(&(3*n+1)) {
                n = 3 * n + 1;
                ans.push('+');
            } else {
                n = 3 * n - 1;
                ans.push('-');
            }
        }
    }
    println!("{}", ans.len());
    print_vec(&ans, "");
}