fn getline() -> String{
	let mut __ret=String::new();
	std::io::stdin().read_line(&mut __ret).ok();
	return __ret;
}

fn main() {
	let n=getline();
	let n:Vec<_>=n.trim().split(' ').collect();
	let n:i32=n[0].parse().unwrap();

	let r=getline();
	let r:Vec<_>=r.trim().split(' ').collect();
	let r:Vec<i32>=r.iter().map(|v| v.parse().unwrap()).collect();

	let g=getline();
	let g:Vec<_>=g.trim().split(' ').collect();
	let g:Vec<i32>=g.iter().map(|v| v.parse().unwrap()).collect();

	let b=getline();
	let b:Vec<_>=b.trim().split(' ').collect();
	let b:Vec<i32>=b.iter().map(|v| v.parse().unwrap()).collect();

	let mut gb: Vec<_> = Vec::new();
	let mut mgb: Vec<_> = Vec::new();

	let mut ans:i32=0;
	let split_num:i32 = (n + (1000 - 1)) / 1000;
	for k1 in 0..split_num {
		gb.clear();
		mgb.clear();
		for k2 in 0..split_num {
			for i in 1000 * k1..std::cmp::min(n,1000 * (k1 + 1)) {
				for j in 1000 * k2..std::cmp::min(n,1000 * (k2 + 1)) {
					let l = g[i as usize] + b[j as usize];
					gb.push(l);
					let m = std::cmp::max(g[i as usize],b[j as usize]);
					mgb.push(m);
				}
			}
		}
		for i in 0..n {
			for l in 0..gb.len() {
				if (r[i as usize] < gb[l as usize]) & (r[i as usize] >= mgb[l as usize]) {
					ans = ans +1;			
				}
			}
		}
	}

	println!("{}",ans)

}