//code by lynmisakura.wish to be accepted!
/****************************/
#include<iostream>
#include<iomanip>
#include<math.h>
#include<vector>
#include<string>
#include<stack>
#include<queue>
#include<map>
#include<algorithm>
#include<bitset>
#include <climits>
#include<set>
#include<bitset>
using namespace std;
/***************************/
typedef long long ll;
typedef pair<int,int> pi;
typedef vector<pair<int,int>> vpi;
 
const long long MOD = 998244353;
const long long mod = 1000000007;
const long long INF = 10000000000000;
 
#define itn int
#define endl "\n"
#define pb push_back
#define mp make_pair
#define ss second
#define ff first
#define mins(x,y) x = min(x,y)
#define maxs(x,y) x = max(x,y)
#define all(x) (x).begin(),(x).end()
#define Rep(n) for(int i = 0;i < n;i++)
#define rep(i,n) for(int i = 0;i < n;i++)
#define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() )
 
ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
ll qp(ll a, ll b) { ll ans = 1; do { if (b & 1)ans = 1ll * ans*a; a = 1ll * a*a; } while (b >>= 1); return ans; }
ll qp(ll a, ll b, int mo) { ll ans = 1; do { if (b & 1)ans = 1ll * ans*a%mo; a = 1ll * a*a%mo; } while (b >>= 1); return ans; }
 
#define _GLIBCXX_DEBUG
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
//mint
struct mint {
   //this library is created by snuke.
  ll x; // typedef long long ll;
  mint(ll x=0):x(x%mod){}
  mint& operator+=(const mint a) {
    if ((x += a.x) >= mod) x -= mod;
    return *this;
  }
  mint& operator-=(const mint a) {
    if ((x += mod-a.x) >= mod) x -= mod;
    return *this;
  }
  mint& operator*=(const mint a) {
    (x *= a.x) %= mod;
    return *this;
  }
  mint operator+(const mint a) const {
    mint res(*this);
    return res+=a;
  }
  mint operator-(const mint a) const {
    mint res(*this);
    return res-=a;
  }
  mint operator*(const mint a) const {
    mint res(*this);
    return res*=a;
  }
  mint pow(ll t) const {
    if (!t) return 1;
    mint a = pow(t>>1);
    a *= a;
    if (t&1) a *= *this;
    return a;
  }
 
  // for prime mod
  mint inv() const {
    return pow(mod-2);
  }
  mint& operator/=(const mint a) {
    return (*this) *= a.inv();
  }
  mint operator/(const mint a) const {
    mint res(*this);
    return res/=a;
  }
};

ll l,r;
mint dp[61][2][2][2];
/***************************************/

void solve(){
    dp[60][0][0][0] = 1;
    
    for(int i = 59;i >= 0;i--){
      int lb = l >> i & 1;
      int rb = r >> i & 1;
      //i桁目
       rep(j,2)rep(k,2)rep(m,2){
          
          mint pre = dp[i+1][j][k][m];
          rep(x,2)rep(y,2){
             int nj = j,nk = k,nm = m;
             if(x && !y) continue;
             if(!j && x != y) continue;
             if(x && y) nj = 1;
             if(!k && (lb && !x)) continue;
             if(!lb && x) nk = 1;
             if(!m && (!rb && y)) continue;
             if(rb && !y) nm = 1;
             
             dp[i][nj][nk][nm] += pre;
          }
       }
    }
    
    mint ans = 0;
    rep(j,2)rep(k,2)rep(m,2) ans += dp[0][j][k][m];
    cout << ans.x << endl;
}

/****************************************/
int main(){
   cin >> l >> r;
   solve();
   return 0;
}

Measured memory_bytes: 256