import java.util.*
import kotlin.*

import java.io.InputStream
import java.lang.NumberFormatException
import java.lang.StringBuilder


fun main(args: Array<String>) {
    Program().solve()
}

class Program {
    fun solve() {
        val sc = FastScanner()
        val N = sc.nextInt()
        val A = sc.nextInt()
        val B = sc.nextInt()
        val v = Array(N) { sc.nextLong() }.sortedBy { -it }

        // 上位A個を取る

        // 一番小さい奴を取る方法が何通りあるか?
        var cnt = 0
        var t = 0
        var target = -1L
        var sum = 0L
        for (i in 0 until A) {
            if (v[i] != target) {
                cnt = 1
                t++
                target = v[i]
            } else {
                cnt++
            }
            sum += v[i]
        }

        // コーナーケース 上位A個まで全部同じ価値

        if (t == 1) {
            println(target)
            // 平均 target
            // targetをA個以上 min(B, targetの個数)以下取るパターン
            var p = 0L
            val vcount = v.count { it == target }
            for(i in A..Math.min(B,vcount)){
                p += C(vcount,i)
            }
            print(p)
        } else {
            // 平均 sum/A
            // targetをcnt個取るパターン

            println(sum.toDouble() / A)
            println(C(v.count { it == target },cnt))
        }
    }

    fun C(n: Int, m: Int): Long {
        var ans = 1L
        for (i in 0 until m) {
            ans *= n - i
            ans /= i + 1
        }
        return ans
    }
}


class FastScanner {
    companion object {
        val input: InputStream = System.`in`
        val buffer = ByteArray(1024) { 0 }
        fun isPrintableChar(c: Int): Boolean = c in 33..126
    }

    var ptr = 0
    var buflen = 0
    private fun hasNextByte(): Boolean {
        if (ptr < buflen) {
            return true
        } else {
            ptr = 0
            buflen = input.read(buffer)
            if (buflen <= 0) {
                return false
            }
        }
        return true
    }

    private fun readByte(): Int = if (hasNextByte()) buffer[ptr++].toInt() else -1

    private fun skipUnprintable() {
        while (hasNextByte() && !isPrintableChar(buffer[ptr].toInt())) ptr++
    }

    fun hasNext(): Boolean {
        skipUnprintable()
        return hasNextByte()
    }

    fun next(): String {
        if (!hasNext()) throw NoSuchElementException()
        val sb = StringBuilder()
        var b = readByte()
        while (isPrintableChar(b)) {
            sb.appendCodePoint(b)
            b = readByte()
        }
        return sb.toString()
    }

    fun nextInt(): Int {
        if (!hasNext()) throw NoSuchElementException()
        var n = 0
        var b = readByte()
        // '-' = 45
        val minus = b == 45
        if (minus) {
            b = readByte()
        }

        // '0' = 48 '9' = 57
        if (b !in 48..57) {
            throw NumberFormatException()
        }

        while (true) {
            if (b in 48..57) {
                n *= 10
                n += b - 48
            } else if (b == -1 || !isPrintableChar(b)) {
                return if (minus) -n else n
            } else {
                throw NumberFormatException()
            }
            b = readByte()
        }
    }

    fun nextLong(): Long {
        if (!hasNext()) throw NoSuchElementException()
        var n = 0L
        var b = readByte()
        // '-' = 45
        val minus = b == 45
        if (minus) {
            b = readByte()
        }

        // '0' = 48 '9' = 57
        if (b !in 48..57) {
            throw NumberFormatException()
        }

        while (true) {
            if (b in 48..57) {
                n *= 10
                n += b - 48
            } else if (b == -1 || !isPrintableChar(b)) {
                return if (minus) -n else n
            } else {
                throw NumberFormatException()
            }
            b = readByte()
        }
    }

    fun nextDouble(): Double = next().toDouble()
}


Measured memory_bytes: 33484