use proconio::{input, marker::Chars};

fn main() {
    input! {
        n: usize,
        s: Chars,
    }

    let mut p = vec![];
    let mut q = vec![];
    for i in 0..n {
        if i % 2 == 0 {
            p.push(s[i]);
        } else {
            q.push(s[i]);
        }
    }

    if p.len() == q.len() {
        println!("Yes");
        println!(
            "{} {}",
            p.iter().collect::<String>(),
            q.iter().collect::<String>()
        );
    } else {
        println!("No");
    }
}