#![allow(unused_imports)]
use std::cmp::*;
use std::collections::*;
use std::io::Write;
use std::ops::Bound::*;

#[allow(unused_macros)]
macro_rules! debug {
    ($($e:expr),*) => {
        #[cfg(debug_assertions)]
        $({
            let (e, mut err) = (stringify!($e), std::io::stderr());
            writeln!(err, "{} = {:?}", e, $e).unwrap()
        })*
    };
}

fn main() {
    let n = read::<usize>();
    let mut r = read_vec::<usize>();
    r.sort();
    let g = read_vec::<usize>();
    let b = read_vec::<usize>();

    let g_count = count(&g);
    let b_count = count(&b);
    let mut gb_count = vec![vec![0; 6001]; 3001];
    for gi in 0..3001 {
        for bi in 0..3001 {
            gb_count[gi][gi + bi] = g_count[gi] * b_count[bi];
        }
    }
    let mut gb_from_left = vec![vec![0; 6001]; 3001];
    for gi in 0..3001 {
        gb_from_left[gi][0] = gb_count[gi][0];
        for gbi in 1..6001 {
            gb_from_left[gi][gbi] = gb_from_left[gi][gbi - 1] + gb_count[gi][gbi];
        }
    }

    let r_count = count(&r);
    let mut ans = 0i64;
    for ri in 1..3001 {
        for gi in 1..=ri {
            let gbi_max = gi + ri;
            let gbi_min = ri;
            //debug!(ri, r_count[ri] * gb_from_left[gi][ci_max]);
            ans += r_count[ri] * (gb_from_left[gi][gbi_max] - gb_from_left[gi][gbi_min]);
        }
    }
    println!("{}", ans);
}

fn count(r: &Vec<usize>) -> Vec<i64> {
    let mut count = vec![0; 3001];
    for &num in r {
        count[num] += 1;
    }
    count
}

fn read<T: std::str::FromStr>() -> T {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().parse().ok().unwrap()
}

fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    read::<String>()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}