use proconio::input;

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

    if n % 2 == 1 {
        println!("No");
    } else {
        let mut a = "".to_string();
        let mut b = "".to_string();
        for (i, c) in s.chars().enumerate() {
            if i % 2 == 0 {
                a += &c.to_string();
            } else {
                b += &c.to_string();
            }
        }
        println!("Yes\n{} {}", a, b);
    }
}