fn input(a: &[usize]) -> (usize, String) {
    for i in 0..10 {
        print!("{}", a[i]);
    }
    println!("",);
    let mut s: String = String::new();
    std::io::stdin().read_line(&mut s).ok();
    let mut itr = s.trim().split_whitespace();
    let n = itr.next().unwrap().parse().unwrap();
    let s = itr.next().unwrap().to_string();
    (n, s)
}

fn main() {
    let mut ans = vec![9; 10];
    let mut target = 0;

    let res = input(&ans);
    if res.1 == "unlocked" {
        return;
    }
    let mut same = res.0;

    loop {
        ans[target] -= 1;
        let (n, s) = input(&ans);
        if s == "unlocked" {
            break;
        }
        if n > same {
            same = n;
            target += 1;
        } else if n < same {
            ans[target] += 1;
            target += 1;
        }
    }
}