import java.util.*

fun main(args: Array<String>) {
    val scanner = Scanner(System.`in`)
    /*val n =*/ scanner.nextInt()
    val a = scanner.nextInt() - 1
    val b = scanner.nextInt() - 1
    val c = scanner.nextInt() - 1
    val d = scanner.nextInt() - 1
    val s = scanner.next()

    // 空がtrue 岩がfalse
    val course = s.map { it == '.' }

    val r: Parson   // ゴールとおいほう
    val l: Parson   // ゴールちかいほう

    if (c > d) {
        r = Parson(a, c, course)
        l = Parson(b, d, course)
    } else {
        r = Parson(b, d, course)
        l = Parson(a, c, course)
    }
    r.other = l
    l.other = r

    while (true) {
        val rc = r.location
        val lc = l.location
        while (!r.done()) {
            // ゴールするまで、進めるだけすすめる
            if (!r.forward()) break
        }
        // rが進めなくなったとき
        if (!l.done()) {
            // lがゴールしてなくて進める場合は一回進める
            l.forward()
        }
        if (r.done() && l.done()) {
            // できた
            print("Yes")
            return
        } else if (rc == r.location && lc == l.location) {
            // 進捗なし
            print("No")
            return
        }
    }
}

data class Parson(var location: Int, private val goal: Int, private val course: List<Boolean>) {
    lateinit var other: Parson

    private fun looksEmpty(target: Int): Boolean {
        return course[target] && other.location != target
    }

    // 移動出来たらtrue
    fun forward(): Boolean {
        if (looksEmpty(location + 1)) {
            location++
            return true
        } else if (looksEmpty(location + 2)) {
            location += 2
            return true
        }
        return false
    }

    fun done(): Boolean {
        return location == goal
    }
}