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

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();
        boolean isPlus = (sc.next().charAt(0) == '+');
        long ans = 0;
        if (isPlus) {
            HashMap<Integer, Long> countsA = new HashMap<>();
            for (int i = 0; i < m; i++) {
                int x = sc.nextInt() % k;
                countsA.put(x, countsA.getOrDefault(x, 0L) + 1);
            }
            HashMap<Integer, Long> countsB = new HashMap<>();
            for (int i = 0; i < n; i++) {
                int x = sc.nextInt() % k;
                countsB.put(x, countsB.getOrDefault(x, 0L) + 1);
            }
            for (int x : countsA.keySet()) {
                if (x == 0) {
                    ans += countsA.get(x) * countsB.getOrDefault(x, 0L);
                } else {
                    ans += countsA.get(x) * countsB.getOrDefault(k - x, 0L);
                }
            }
        } else {
            HashMap<Long, Long> countsA = new HashMap<>();
            for (int i = 0; i < m; i++) {
                long gcd = getGCD(sc.nextInt(), k);
                countsA.put(gcd, countsA.getOrDefault(gcd, 0L) + 1);
            }
            HashMap<Long, Long> countsB = new HashMap<>();
            for (int i = 0; i < n; i++) {
                long gcd = getGCD(sc.nextInt(), k);
                countsB.put(gcd, countsB.getOrDefault(gcd, 0L) + 1);
            }
            for (long x : countsA.keySet()) {
                for (long y : countsB.keySet()) {
                    if (x * y % k == 0) {
                        ans += countsA.get(x) * countsB.get(y);
                    }
                }
            }
        }
        System.out.println(ans);
    }
    
    static long getGCD(long x, long y) {
        if (y == 0) {
            return x;
        } else {
            return getGCD(y, x % y);
        }
    }
}

class Utilities {
    static String arrayToLineString(Object[] arr) {
        return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
    }
    
    static String arrayToLineString(int[] arr) {
        return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
    }
}
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 int[] nextIntArray() throws Exception {
        return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}