#include<stdio.h>
char s[100005];
int main()
{
	int n;
	scanf("%d", &n);
	scanf("%s", s);
	if (n % 2 > 0)
	{
		printf("No\n");
		return 0;
	}
	printf("Yes\n");
	int i;
	for (i = 0; i < n; i += 2)
		printf("%c", s[i]);
	printf(" ");
	for (i = 1; i < n; i += 2)
		printf("%c", s[i]);
	printf("\n");
	return 0;
}