#include <bits/stdc++.h>
using namespace std;
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#endif
using ll = long long;
using ld = long double;
#define all(s) (s).begin(),(s).end()
#define vcin(n) for(ll i=0;i<ll(n.size());i++) cin>>n[i]
#define rep2(i, m, n) for (int i = (m); i < (n); ++i)
#define rep(i, n) rep2(i, 0, n)
#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)
#define drep(i, n) drep2(i, n, 0)
#define rever(vec) reverse(vec.begin(), vec.end())
#define sor(vec) sort(vec.begin(), vec.end())
#define fi first
#define se second
//#define P pair<ll,ll>
//const ll mod = 998244353;
const ll mod = 1000000007;
const ll inf = 2000000000000000000ll;
static const long double pi = 3.141592653589793;
void YesNo(bool a){if(a){cout<<"Yes"<<endl;}else{cout<<"No"<<endl;}}
void YESNO(bool a){if(a){cout<<"YES"<<endl;}else{cout<<"NO"<<endl;}}
template<class T,class U> void chmax(T& t,const U& u){if(t<u) t=u;}
template<class T,class U> void chmin(T& t,const U& u){if(t>u) t=u;}
ll modPow(ll a, ll n, ll mod) { ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; }
template<class T>
void xorFFT(vector<T> &a, bool inv=false)
{
	int n((a.size()));
	for (int step(1); step < n; step *= 2)
		for (int i(0); i < n; i += 2 * step)
			for (int j(i); j < i + step; ++j)
			{
				T &u = a[j], &v = a[j+step];
				tie(u, v) = 
					//inv ? make_pair(v-u, u) : make_pair(v, u+v); // AND
					//inv ? make_pair(v, u-v) : make_pair(u+v, u); // OR
					make_pair(u+v, u-v); // XOR
			}
	// XOR ONLY
	if (inv)
		for (T& x : a)
			x /= (a.size());
}

template<class T>
vector<T> xorConv(vector<T> a, vector<T> b)
{
	xorFFT(a); xorFFT(b);
	for (int i(0); i < int(b.size()); ++i)
		a[i] *= b[i];
	xorFFT(a, true);
	return a;
}
int main() {
  /* mod は 1e9+7 */
  ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
  cout<< fixed << setprecision(10);
  vector<ll> a(1024);
  vector<ll> b(1024);
  ll n,m,k;
  cin>>n>>m>>k;
  vector<ll> x(n+1);
  vector<ll> y(m+1);
  for(int i=1;i<=n;i++){
    cin>>x[i];
  }
  for(int i=1;i<=m;i++){
    cin>>y[i];
  }
  for(int i=1;i<=n;i++){
    x[i]^=x[i-1];
  }
  for(int i=1;i<=m;i++){
    y[i]^=y[i-1];
  }
  for(int i=0;i<=n;i++){
    a[x[i]]++;
  }
  for(int i=0;i<=m;i++){
    b[y[i]]++;
  }
  auto p=xorConv(a,a);
  auto q=xorConv(b,b);
  p[0]-=n+1;
  q[0]-=m+1;
  for(int i=0;i<1024;i++){
    p[i]/=2;
    p[i]%=mod;
  }
  for(int i=0;i<1024;i++){
    q[i]/=2;
    q[i]%=mod;
  }
  auto ans=xorConv(p,q);
  cout<<ans[k]%mod<<endl;
}