fn run() {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).unwrap();
    let n: usize = s.trim().parse().unwrap();
    let mut dp = vec![0; n + 1];
    for i in 1..=n {
        let mut s = i;
        let mut j = 1;
        while j * j <= i {
            s = std::cmp::min(s, dp[i - j * j] + j);
            j += 1;
        }
        dp[i] = s;
    }
    let mut a = vec![];
    let mut m = n;
    while m > 0 {
        let mut find = false;
        let mut j = 1;
        while j * j <= m && !find {
            if dp[m - j * j] + j == dp[m] {
                find = true;
                m -= j * j;
                a.push(j);
            }
            j += 2;
        }
        let mut j = 2;
        while j * j <= m && !find {
            if dp[m - j * j] + j == dp[m] {
                find = true;
                m -= j * j;
                a.push(j);
            }
            j += 2;
        }
    }
    let mut ans = String::new();
    let mut prev = '0';
    for mut a in a {
        ans.push(prev);
        a -= 1;
        while a > 1 {
            ans.push(if prev == '1' {'0'} else {'1'});
            ans.push(prev);
            a -= 2;
        }
        if a > 0 {
            ans.push(if prev == '1' {'0'} else {'1'});
            prev = if prev == '1' {'0'} else {'1'};
        }
    }
    println!("{}", ans);
}

fn main() {
    run();
}