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

fun PrintWriter.solve() {
    val n = nextInt()
    val r = Array(n) { nextInt() }
    val g = Array(n) { nextInt() }
    val b = Array(n) { nextInt() }
    r.sort()
    g.sort()
    b.sort()
    val cnt = LongArray(6005) { 0 }
    for (v in r) {
        cnt[v]++
    }
    for (i in 0 until 6000) {
        cnt[i + 1] += cnt[i]
    }
    var ans = 0L
    val cnt_g = LongArray(3005) { 0 }
    val cnt_b = LongArray(3005) { 0 }
    for (v in g) {
        cnt_g[v]++
    }
    for (v in b) {
        cnt_b[v]++
    }
    for (i in 1 until 3002) {
        for (j in 1 until 3002) {
            ans += cnt[i + j - 1] * cnt_g[i] * cnt_b[j]
            ans -= cnt[max(i, j) - 1] * cnt_g[i] * cnt_b[j]
        }
    }
    println(ans)
}

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