#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<ll, ll> p_ll;

template<class T>
void debug(T itr1, T itr2) { auto now = itr1; while(now<itr2) { cout << *now << " "; now++; } cout << endl; }
#define repr(i,from,to) for (int i=(int)from; i<(int)to; i++)
#define all(vec) vec.begin(), vec.end()
#define rep(i,N) repr(i,0,N)
#define per(i,N) for (int i=(int)N-1; i>=0; i--)

const ll MOD = pow(10,9)+7;
const ll LLINF = pow(2,61)-1;
const int INF = pow(2,30)-1;

vector<ll> fac;
void c_fac(int x=pow(10,6)+10) { fac.resize(x,true); rep(i,x) fac[i] = i ? (fac[i-1]*i)%MOD : 1; }
ll inv(ll a, ll m=MOD) { ll b = m, x = 1, y = 0; while (b!=0) { int d = a/b; a -= b*d; swap(a,b); x -= y*d; swap(x,y); } return (x+m)%m; }
ll nck(ll n, ll k) { return fac[n]*inv(fac[k]*fac[n-k]%MOD)%MOD; }
ll gcd(ll a, ll b) { if (a<b) swap(a,b); return b==0 ? a : gcd(b, a%b); }
ll lcm(ll a, ll b) { return a/gcd(a,b)*b; }


int main() {
  ll N, L, R; cin >> N >> L >> R;
  ll A[N]; rep(i,N) cin >> A[i];
  ll type[61] = {};
  rep(i,N-1) {
    ll dig = 61; while (A[i]>>dig==A[i+1]>>dig) dig--;
    if (A[i]&(1<<dig)) {
      if (type[dig]==2) { cout << 0 << endl; return 0; }
      else type[dig] = 1;
    }
    else {
      if (type[dig]==1) { cout << 0 << endl; return 0; }
      else type[dig] = 2;
    }
  }

  ll dp[62][2][2] = {}; dp[61][0][0] = 1;
  per(i,61) {
    if (type[i]!=2) {
      // 0,0
      if (R&(1ll<<i)) {
        if (L&(1ll<<i)) dp[i][0][0] += dp[i+1][0][0];
        else dp[i][1][0] += dp[i+1][0][0];
      }
      // 0,1
      if (L&(1ll<<i)) dp[i][0][1] += dp[i+1][0][1];
      else dp[i][1][1] += dp[i+1][0][1];
      // 1,0
      if (R&(1ll<<i)) dp[i][1][0] += dp[i+1][1][0];
      // 1,1
      dp[i][1][1] += dp[i+1][1][1];
    }
    if (type[i]!=1) {
      // 0,0
      if (!(L&(1ll<<i))) {
        if (R&(1ll<<i)) dp[i][0][1] += dp[i+1][0][0];
        else dp[i][0][0] += dp[i+1][0][0];
      }
      // 0,1
      if (!(L&(1ll<<i))) dp[i][0][1] += dp[i+1][0][1];
      // 1,0
      if (R&(1ll<<i)) dp[i][1][1] += dp[i+1][1][0];
      else dp[i][1][0] += dp[i+1][1][0] % MOD;
      // 1,1
      dp[i][1][1] += dp[i+1][1][1];
    }
  }
  // per(i,62) cout << dp[i][0][0] << " " << dp[i][0][1] << " " << dp[i][1][0] << " " << dp[i][1][1] << endl;

  ll result = 0; rep(i,2) rep(j,2) result += dp[0][i][j];
  cout << result << endl;
  return 0;
}