import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        int m = sc.nextInt();
        int k = sc.nextInt();
        if (sc.next().charAt(0) == '+') {
            HashMap<Integer, Long> bCounts = new HashMap<>();
            for (int i = 0; i < m; i++) {
                int x = sc.nextInt() % k;
                bCounts.put(x, bCounts.getOrDefault(x, 0L) + 1);
            }
            HashMap<Integer, Long> aCounts = new HashMap<>();
            for (int i = 0; i < n; i++) {
                int x = sc.nextInt() % k;
                aCounts.put(x, aCounts.getOrDefault(x, 0L) + 1);
            }
            long ans = 0;
            for (int x : bCounts.keySet()) {
                if (x == 0) {
                    ans += aCounts.getOrDefault(x, 0L) * bCounts.get(x);
                } else {
                    ans += aCounts.getOrDefault(k - x, 0L) * bCounts.get(x);
                }
            }
            System.out.println(ans);
        } else {
            HashMap<Integer, Long> bCounts = new HashMap<>();
            for (int i = 0; i < m; i++) {
                int x = getGCD(k, sc.nextInt());
                bCounts.put(x, bCounts.getOrDefault(x, 0L) + 1);
            }
            HashMap<Integer, Long> aCounts = new HashMap<>();
            for (int i = 0; i < n; i++) {
                int x = getGCD(k, sc.nextInt());
                aCounts.put(x, aCounts.getOrDefault(x, 0L) + 1);
            }
            long ans = 0;
            for (int x : bCounts.keySet()) {
                for (int y : aCounts.keySet()) {
                    if (y % (k / x) == 0) {
                        ans += bCounts.get(x) * aCounts.get(y);
                    }
                }
            }
            System.out.println(ans);
        }
    }
    
    static int getGCD(int x, int y) {
        if (y == 0) {
            return x;
        } else {
            return getGCD(y, x % y);
        }
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}