import java.io.PrintWriter
import java.util.*
import kotlin.math.*

fun gcd(a: Int, b: Int): Int {
    if (b == 0) return a
    val c = a % b
    return gcd(b, c)
}

fun PrintWriter.solve() {
    val s = nextLine()
    val n = s.replace(".", "").toInt()
    val d = gcd(n, 1000)
    val x = 1000 / d
    val y = n * x / 1000
    val final = if ((x + y) % 2 == 0) 'A' else if (x % 2 == 0) 'C' else 'B'
    var count = x + y - 2
    for (i in 1 until x + y step 2) {
        count++
    }
    for (i in 1 until (x - y).absoluteValue step 2) {
        count++
    }
    println("$final $count")
}

fun main() {
    val writer = PrintWriter(System.out, false)
    writer.solve()
    writer.flush()
}

// region Scanner
private var st = StringTokenizer("")
private val br = System.`in`.bufferedReader()

fun next(): String {
    while (!st.hasMoreTokens()) st = StringTokenizer(br.readLine())
    return st.nextToken()
}

fun nextInt() = next().toInt()
fun nextLong() = next().toLong()
fun nextLine() = br.readLine()
fun nextDouble() = next().toDouble()
// endregion