#include<iostream>
#include<string>
#include<iomanip>
#include<cmath>
#include<vector>
#include<algorithm>
#include<map>
#include<unordered_map>

using namespace std;

#define int long long
#define endl "\n"

constexpr long long INF = (long long)1e18;
constexpr long long MOD = 1'000'000'007; 

string yn(bool f){return f?"Yes":"No";}
string YN(bool f){return f?"YES":"NO";}



signed main(){
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	cout<<fixed<<setprecision(10);
	
	int N, M, K;
	vector<int> A, B, a, b;
	vector<int> ak;
	vector<int> ddk;
	map<int,int> aa, dk, AK;
	vector<pair<int,int>> AA, DK, AAK;
	string op;
	int con = 0;
	cin>>N>>M>>K;
	
	cin>>op;
	
	B.resize(M);
	A.resize(N);
	
	int k = K;
	
	for(int i = 1; i * i <= k; i++){
		if(i * i == k) {
			ddk.push_back(i);
		}else if(K%i == 0) {
			
			ddk.push_back(i);
			ddk.push_back(K/i);
		}
	}
	
	
	for(int i = 2; i * i <= k; i++){
		while(k%i == 0){
			k /= i;
			dk[i]++;
		}
	}
	
	if(k != 1) dk[k]++;
	
	for(pair<int,int> p : dk){
		DK.push_back(p);
	}
	
	ak.resize(DK.size());
	
	for(int i = 0; i < M; i++){
		cin>>B[i];
	}
	
	for(int i = 0; i < N; i++){
		cin>>A[i];
		
		aa[A[i]%K]++;
		
		int ta = A[i], tta = 1;
		
		for(int j = 0; j < DK.size(); j++){
			for(int z = 0; ta % DK[j].first == 0 && z < DK[j].second; z++){
				ta /= DK[j].first;
				tta *= DK[j].first;
			}
		}
		AK[tta]++;
	}
	
	
	for(pair<int,int> p : AK){
		AAK.push_back(p);
		// cout<<p.first<<" "<<p.second<<endl;
	}
	sort(AAK.begin(), AAK.end());
	
	if(op == "+") {
		for(int i = 0; i < M; i++){
			con += aa[(K-B[i]%K)%K];
			
		}
	} else {
		for(int i = 0; i < M; i++){
			if(B[i] == 0) con += N;
			else {
				int ttb = 1, tb = B[i];
				for(int j = 0; j < DK.size(); j++){
					for(int z = 0; tb % DK[j].first == 0 && z < DK[j].second; z++){
						tb /= DK[j].first;
						ttb *= DK[j].first;
					}
				}
				// cout<<"i = "<<i<<" B = "<<B[i]<<endl;
				for(int j = 0; j < ddk.size(); j++){
					if(ttb%ddk[j]) continue;
					// con += AK[K/ddk[j]];
					pair<int,int> key = {K/ddk[j],-INF};
					auto hoge = lower_bound(AAK.begin(), AAK.end(), key);
					// con +=  (*lower_bound(AAK.begin(), AAK.end(), key)).second;
					// cout<<"ddk "<<ddk[j]<<" "<<key.first<<endl;
					if(hoge != AAK.end() && (*hoge).first == key.first) {
						con += (*hoge).second;
						// cout<<(*hoge).first<<" "<<(*hoge).second<<endl;
					}
				}
				// cout<<"con "<<con<<endl;
				// cout<<endl;
			}
			
		}
	}
	
	cout<<con<<endl;
	
	return 0;
}