fn separateNumbers(s: &str) {
    let mut i = 0;
    'main: while i < s.len() / 2 {
        i += 1;
        let x: i64 = s[..i].parse().unwrap();
        
        let mut next = (x + 1).to_string();
        if s[i..(i + next.len())] == next {
            let mut tmp = &s[(i + next.len())..];
            while !tmp.is_empty() {
                next = (next.parse::<i64>().unwrap() + 1).to_string();
                if &tmp[..next.len().min(tmp.len())] != next {
                    continue 'main;
                }
                tmp = &tmp[next.len()..];
            }
            println!("YES {x}");
            return;
        }
    }
    println!("NO");