import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		char[] s = sc.next().toCharArray();
		sc.close();

		if (n % 2 == 0) {
			System.out.println("Yes");
			StringBuilder sb1 = new StringBuilder();
			StringBuilder sb2 = new StringBuilder();
			for (int i = 0; i < n; i++) {
				if (i % 2 == 0) {
					sb1.append(s[i]);
				} else {
					sb2.append(s[i]);
				}
			}
			System.out.println(sb1.toString() + " " + sb2.toString());

		} else {
			System.out.println("No");
		}
	}
}