#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#define rep(i, a, b) for(int i=(a); i<(b); i++)
#define repi(i, a, b) for(int i=(a); i>(b); i--)
#define db(x) (cerr << #x << ": " << (x) << '\n')
#define sync ios_base::sync_with_stdio(false), cin.tie(NULL)
#define tests(t) int t; cin >> t; while(t--)
#define iceil(n, x) (((n) + (x) - 1) / (x))
#define ll long long
#define gcd __gcd
#define eb emplace_back
#define pb push_back
#define pf push_front
#define pob pop_back
#define pof pop_front
#define sz size()
#define all(v) (v).begin(), (v).end()
#define uni(v) sort(all(v)); (v).erase(unique(all(v)), (v).end())
#define pii pair<int, int>
#define vi vector<int>
#define vpii vector<pii>
#define vvi vector<vi>
#define fi first
#define se second
#define pqueue priority_queue
#define bitcount(x) __builtin_popcount(x)
#define cps CLOCKS_PER_SEC
#define PI acos(-1.0)
#define EPS 1e-9
#define mod 1000000007
using namespace std;
 
#define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1>
void __f(const char* name, Arg1&& arg1){
    cerr << name << " : " << arg1 << '\n';
}
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args){
    const char* comma = strchr(names + 1, ','); cerr.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...);
}

template<typename T1, typename T2>
ostream& operator << (ostream& os, const pair<T1, T2>& p) { return os << '(' << p.fi << ", " << p.se << ')'; }

template<typename T>
void printv(const T& v) { for(auto i : v) cerr << i << ' '; cerr << '\n'; }

template<typename T>
using minpq = priority_queue<T, vector<T>, greater<T>>;
 
template<typename T>
using maxpq = priority_queue<T>;
 
//All indexing is 0-based
using namespace __gnu_pbds;
template<class key, class cmp = std::less<key>>
using ordered_set = tree<key, null_type, cmp, rb_tree_tag, tree_order_statistics_node_update>;
//methods: find_by_order(k); & order_of_key(k);
//To make it an ordered_multiset, use pairs of (value, time_of_insertion)
//to distinguish values which are similar
 
template<class key, class value, class cmp = std::less<key>>
using ordered_map = tree<key, value, cmp, rb_tree_tag, tree_order_statistics_node_update>;
 
//Returns no. of values x for which ceil(n / x) == y (y must be > 1).
inline ll CC(ll n, ll y) { return iceil(n, y-1) - iceil(n, y); }
 
//Returns no. of values x for which floor(n / x) == y
inline ll FF(ll n, ll y) { return n / y - n / (y+1); }
 
//a and b are assumed to be taken modulo p
inline int add(int a, int b, int p = mod){ int c = a + b; if(c >= p) c -= p; return c; }
inline int sub(int a, int b, int p = mod){ int c = a - b; if(c < 0) c += p; return c; }
inline int mul(int a, int b, int p = mod){ return (a * 1ll * b) % p; }

#define N 200005
#define int ll
// #define trace(...) 42

int n, L, R;
vi vL, vR;

void prep(int x, vi& v) {
    while(x) {
        v.pb(x & 1);
        x >>= 1;
    }
    reverse(all(v));
}

int dp[64][2][2][2];
//dp[i][fl][fr][msb]
//i is the current bit position
//fl is a flag indicating whether x is already > L
//fr is a flag indicating whether y is already < R
//msb is a flag indicating whether msb has already been put for both x and y

int rec(int i, bool fl, bool fr, bool msb) {
    if(i == n) {
        return 1;
    }

    int& ans = dp[i][fl][fr][msb];
    if(ans != -1) return ans;

    ans = 0;

    rep(y, 0, 2) {
        rep(x, 0, 2) {
            if(x && !y) continue;
            if(!fr && y > vR[i]) continue;
            if(!fl && x < vL[i]) continue;
            if(!msb && y && !x) continue;
            int nfl, nfr, nmsb;
            nfl = fl | x > vL[i];
            nfr = fr | y < vR[i];
            nmsb = msb | y;
            ans = add(ans, rec(i+1, nfl, nfr, nmsb));
        }
    }
    return ans;
}

main()
{   
    #ifdef CP
        freopen("/home/tarun/Desktop/input.txt", "r", stdin);
     // freopen("/home/tarun/Desktop/output.txt", "w", stdout);
    #endif
    sync;
    clock_t clk = clock();
    cerr << "I will return...\n";

    cin >> L >> R;
    prep(L, vL);
    prep(R, vR);

    reverse(all(vL));
    while(vR.size() != vL.size()) vL.pb(0);
    reverse(all(vL));

    n = vL.size();

    memset(dp, -1, sizeof dp);
    cout << rec(0, 0, 0, 0) << '\n';

    cerr << "...don't you ever hang your head.\n";
    cerr << "Time (in ms): " << (double)(clock() - clk) * 1000.0 / cps << '\n';
}
 
//Compile using:
//g++ -o filename.exe --std=c++11 filename.cpp
//Use -D CP for defining a macro CP in the local environment




Measured memory_bytes: 256