use std::usize;

fn input_line<T: std::str::FromStr>() -> Vec<T> {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim()
        .split_whitespace()
        .map(|x| x.parse().ok().unwrap())
        .collect()
}

fn main() {
    let n = input_line::<String>();
    let n: u128 = u128::from_str_radix(&n[0], 16).unwrap();

    let num_ch: Vec<char> = format!("{:o}", n).chars().collect();

    let mut v = vec![0; 9];

    for i in num_ch {
        v[(i as usize - 48)] += 1;
    }

    let mut max: u128 = 0;
    for i in &v {
        if *i > max {
            max = *i;
        }
    }

    for i in 0..9 {
        if v[i] == max {
            print!("{} ", i);
        }
    }
}