use std::io::Read;

fn run_length_encoding<T: Clone + Eq>(a: &[T]) -> Vec<(T, usize)> {
    if a.len() == 0 {
        return vec![];
    }
    let mut x = a[0].clone();
    let mut cnt = 1;
    let mut ans = vec![];
    for y in &a[1..] {
        if x == *y {
            cnt += 1;
        } else {
            ans.push((x, cnt));
            x = y.clone();
            cnt = 1;
        }
    }
    ans.push((x, cnt));
    ans
}

fn gcd(a: u64, b: u64) -> u64 {
    if b == 0 {
        a
    } else {
        gcd(b, a % b)
    }
}

fn run() {
    let mut s = String::new();
    std::io::stdin().read_to_string(&mut s).unwrap();
    let mut it = s.trim().split_whitespace();
    let h: usize = it.next().unwrap().parse().unwrap();
    let w: usize = it.next().unwrap().parse().unwrap();
    let k: u64 = it.next().unwrap().parse().unwrap();
    let op = it.next().unwrap().chars().next().unwrap();
    let mut b: Vec<u64> = (0..w).map(|_| it.next().unwrap().parse().unwrap()).collect();
    let mut a: Vec<u64> = (0..h).map(|_| it.next().unwrap().parse().unwrap()).collect();
    let ans = if op == '+' {
        for a in a.iter_mut().chain(b.iter_mut()) {
            *a %= k;
        }
        a.sort();
        let a = run_length_encoding(&a);
        b.sort();
        let b = run_length_encoding(&b);
        let mut ans = 0;
        for (a, x) in a.iter() {
            if let Ok(k) = b.binary_search_by(|p| p.0.cmp(&(k - a))) {
                ans += x * b[k].1;
            }
        }
        if a[0].0 == 0 && b[0].0 == 0 {
            ans += a[0].1 * b[0].1;
        }
        ans
    } else {
        for a in a.iter_mut().chain(b.iter_mut()) {
            *a = gcd(*a, k);
        }
        a.sort();
        let a = run_length_encoding(&a);
        b.sort();
        let b = run_length_encoding(&b);
        let mut ans = 0;
        for (a, x) in a.iter() {
            for (b, y) in b.iter() {
                if *a * *b % k == 0 {
                    ans += x * y;
                }
            }
        }
        ans
    };
    println!("{}", ans);
}

fn main() {
    run();
}