package main

import . "fmt"

func main() {
	var n int
	var s,t string
	Scan(&n,&s,&t)
	if s == t {
		Println("Yes")
		return
	}
	var ab,bc,ac int
	for i := range s {
		if s[i] == t[i] {
			continue
		}
		switch string(s[i])+string(t[i]) {
			case "AB":
				ab++
			case "BC":
				bc++
			case "AC":
				ac++
			default:
				Println("No")
				return
		}
	}
	if ab+ac == 0 || bc == 0 {
		Println("No")
		return
	}
	for {
		if ac == 0  {
			if ab == bc {
				Println("Yes")
			} else {
				Println("No")
			}
			return
		}
		if ab+ac < bc {
			Println("No")
			return
		}
		switch {
			case ac == bc: 
				if ab == ac {
					Println("Yes")
				} else {
					Println("No")
				}
				return
			case ac < bc:
				if ab+ac-bc == ac {
					Println("Yes")
				} else {
					Println("No")
				}
				return
			case ac > bc:
				ac -= bc
		}
	}
}