package main

import . "fmt"

func main() {
	var n int
	Scan(&n)
	if n%2>0 {
		Println("No")
		return
	}
	var s string
	Scan(&s)
	Println("Yes")
	var b [2][]rune
	for i,c:=range s      {
		b[i&1]=append(b[i%2],c)
	}
	Println(string(b[0]),string(b[1]))
}