import java.util.Scanner;

public class No3036 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int strNum = Integer.parseInt(sc.nextLine());
		String inputStr = sc.nextLine();
		
		if(strNum % 2 == 1) {
			System.out.println("No");
		}
		else {
			StringBuilder output_a = new StringBuilder();
			StringBuilder output_b = new StringBuilder();
			
			for(int i=0; i<inputStr.length(); i++) {
				if(i % 2 == 0) {
					output_a.append(inputStr.charAt(i));
				} else {
					output_b.append(inputStr.charAt(i));
				}
			}
			
			System.out.println("Yes");
			System.out.println(output_a.toString() + " " + output_b.toString());
		}
	}
}