import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int m = sc.nextInt();
        int k = sc.nextInt();
        char op = sc.next().charAt(0);
        if (op == '+') {
            HashMap<Integer, Integer> map = new HashMap<>();
            for (int i = 0; i < m; i ++ ){
                int mod = sc.nextInt() % k;
                if (map.containsKey(mod)) {
                    map.put(mod, map.get(mod) + 1);
                } else {
                    map.put(mod, 1);
                }
            }
            long count = 0;
            for (int i = 0; i < n; i++) {
                int mod = sc.nextInt() % k;
                if (map.containsKey((k - mod) % k)) {
                    count += map.get((k - mod) % k);
                }
            }
            System.out.println(count);
        } else {
            HashMap<Integer, Integer> mapB = new HashMap<>();
            for (int i = 0; i < m; i ++ ){
                int gd = gcd(sc.nextInt(), k);
                if (mapB.containsKey(gd)) {
                    mapB.put(gd, mapB.get(gd) + 1);
                } else {
                    mapB.put(gd, 1);
                }
            }
            HashMap<Integer, Integer> mapA = new HashMap<>();
            for (int i = 0; i < n; i++) {
                int gd = gcd(sc.nextInt(), k);
                if (mapA.containsKey(gd)) {
                    mapA.put(gd, mapA.get(gd) + 1);
                } else {
                    mapA.put(gd, 1);
                }
            }
            long count = 0;
            for (Map.Entry<Integer, Integer> entryA : mapA.entrySet()) {
                for (Map.Entry<Integer, Integer> entryB : mapB.entrySet()) {
                    if ((long)entryA.getKey() * entryB.getKey() % k == 0) {
                        count += (long)entryA.getValue() * entryB.getValue();
                    }
                }
            }
            System.out.println(count);
        }
    }
    
    static int gcd(int x, int y) {
        if (x % y == 0) {
            return y;
        } else {
            return gcd(y, x % y);
        }
    }
}