using System;
using System.Collections.Generic;
using static System.Console;
using System.Linq;

class yuki
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static void Main()
    {
        var n = NN;
        var r = NList;
        var g = NList;
        var b = NList;
        
        var red = new int[3001];
        var gre = new int[3001];
        var blu = new int[3001];
        foreach (var ri in r) ++red[ri];
        foreach (var gi in g) ++gre[gi];
        foreach (var bi in b) ++blu[bi];
        for (var i = 1; i < blu.Length; ++i)
        {
            blu[i] += blu[i - 1];
        }

        var res = 0L;
        for (var ri = 0; ri < red.Length; ++ri)
        {
            if (red[ri] == 0) continue;
            for (var gi = 1; gi <= ri; ++gi)
            {
                res += (long)red[ri] * gre[gi] * (blu[ri] - blu[ri - gi]);
            }
        }
        WriteLine(res);
    }
}