use std::collections::VecDeque;


const INF: usize = 1usize << 60;

fn get_priority(length: usize) -> usize {
    if length % 2 == 1 {
        length
    } else {
        INF - length
    }
}

fn main() {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let n: usize = n.trim().parse().unwrap();

    let mut dp = vec![INF; n+1];
    dp[0] = 0;
    for i in 1..=n {
        for j in 1.. {
            let val = j * j;
            if val > i { break; }
            dp[i] = dp[i].min(dp[i-val]+j);
        }
    }
    let mut use_lengths = vec![];
    let mut target = n;
    while target > 0 {
        let mut cands = vec![];
        for i in 1.. {
            let val = i*i;
            if val > target { break; }
            if dp[target-val]+i == dp[target] {
                cands.push(i);
            }
        }
        cands.sort_by_key(|&v| get_priority(v));
        use_lengths.push(cands[0]);
        target -= cands[0] * cands[0];
    }
    use_lengths.sort_by_key(|&v| get_priority(v));
    let odds = use_lengths.iter().filter(|&&v| v % 2 == 1).copied().collect::<Vec<_>>();
    let mut evens = use_lengths.iter().filter(|&&v| v % 2 == 0).copied().collect::<VecDeque<_>>();
    let mut result = String::new();
    for &v in odds.iter() {
        result.push_str(format!("0{}", "10".repeat(v/2)).as_str());
    }
    let limit = evens.len();
    for i in 0..limit {
        if i % 2 == 0 {
            result.push_str(format!("{}", "01".repeat(evens.pop_front().unwrap()/2)).as_str());
        } else {
            result.push_str(format!("{}", "10".repeat(evens.pop_back().unwrap()/2)).as_str());
        }
    }
    println!("{}", result);
}