#include<bits/stdc++.h>
using namespace std;

#define endl '\n'
#define lfs cout<<fixed<<setprecision(10)
#define ALL(a)  (a).begin(),(a).end()
#define ALLR(a)  (a).rbegin(),(a).rend()
#define spa << " " <<
#define fi first
#define se second
#define MP make_pair
#define MT make_tuple
#define PB push_back
#define EB emplace_back
#define rep(i,n,m) for(ll i = (n); i < (ll)(m); i++)
#define rrep(i,n,m) for(ll i = (m) - 1; i >= (ll)(n); i--)
using ll = long long;
using ld = long double;
const ll MOD = 1e9+7;
//const ll MOD = 998244353;
const ll INF = 1e18;
using P = pair<ll, ll>;
template<typename T>
bool chmin(T &a,T b){if(a>b){a=b;return true;}else return false;}
template<typename T>
bool chmax(T &a,T b){if(a<b){a=b;return true;}else return false;}
ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});}
void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;}
void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;}
void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;}
template<typename T1,typename T2>
void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;}  
template<typename T>
void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++)
{cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}};
void debug(vector<string>&v,ll h,ll w){for(ll i=0;i<h;i++)
{for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}};
template<typename T>
void debug(vector<T>&v,ll n){if(n!=0)cout<<v[0];
for(ll i=1;i<n;i++)cout spa v[i];cout<<endl;};
template<typename T>
vector<vector<T>>vec(ll x, ll y, T w){
  vector<vector<T>>v(x,vector<T>(y,w));return v;}
ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;}
vector<ll>dx={1,0,-1,0,1,1,-1,-1};
vector<ll>dy={0,1,0,-1,1,-1,1,-1};
template<typename T>
vector<T> make_v(size_t a,T b){return vector<T>(a,b);}
template<typename... Ts>
auto make_v(size_t a,Ts... ts){
  return vector<decltype(make_v(ts...))>(a,make_v(ts...));
}
ostream &operator<<(ostream &os, pair<ll, ll>&p){
  return os << p.first << " " << p.second;
}  
map<ll,ll> factoring(ll n){ 
  ll buf=n;
  map<ll,ll>ret;
  ll i,j;
  for(i=2;buf!=1&&i*i<=n;i++){
    for(j=0;buf%i==0;j++){
      buf/=i;
    }
    if(j>0)ret.emplace(i,j);
  }
  if(buf!=1)ret.emplace(buf,1);
  return ret;
}
vector<ll>divisor(ll n){
  vector<ll>ret;
  for(ll i=1;i*i<=n;i++){
    if(n%i==0&&i*i!=n){
      ret.PB(i);
      ret.PB(n/i);
    }
    else if(n%i==0) ret.PB(i);
  }
  sort(ALL(ret));
  return ret;
}
int main(){
  cin.tie(nullptr);
  ios_base::sync_with_stdio(false);
  ll res=0,buf=0;
  bool judge = true;
  ll n,m,k;cin>>n>>m>>k;
  char c;cin>>c;
  vector<ll>b(m);
  rep(i,0,m)cin>>b[i];
  vector<ll>a(n);
  rep(i,0,n)cin>>a[i];
  
  if(c=='+'){
    map<ll,ll>mpa;
    map<ll,ll>mpb;
    rep(i,0,n)mpa[a[i]%k]++;
    rep(i,0,m)mpb[b[i]%k]++;
    for(auto z:mpa){
      if(z.fi!=0)res+=z.se*mpb[k-z.fi];
      else res+=z.se*mpb[0];
    }
  }
  else{
    auto mp=factoring(k);   
    auto div=divisor(k);
    map<ll,ll>idx;
    rep(i,0,div.size())idx[div[i]]=i;
    ll sz=div.size();
    vector<ll>cnt(sz);
    map<ll,ll>mpa;
    rep(i,0,n)mpa[gcd(a[i],k)]++;
    rep(i,0,m)cnt[idx[gcd(b[i],k)]]++;
    for(auto z:mp){
      rrep(i,0,sz){
        if(div[i]%z.fi==0)cnt[idx[div[i]/z.fi]]+=cnt[i];
      }
    }
    //debug(cnt,sz);
    //debug(div,sz);
    for(auto z:mpa){
      ll need=k/z.fi;
      res+=cnt[idx[need]]*z.se;
    }
  }
  cout<<res<<endl;
  return 0;
}