#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define dump(...)
#endif
#define endl "\n"
#define ll long long
#define FOR(i, a, b) for (int i = (int)(a); i < (int)(b); i++)
#define REP(i, x) for (int i = 0; i < (int)(x); i++)
#define REPS(i, x) for (int i = 1; i <= (int)(x); i++)
#define RREP(i, x) for (int i = ((int)(x)-1); i >= 0; i--)
#define RREPS(i, x) for (int i = ((int)(x)); i > 0; i--)
#define INF (1 << 30)
#define LLINF (1LL << 60)
#define vi vector<int>
#define vvi vector<vector<int>>
#define pi pair<int, int>
#define ALL(a) (a).begin(), (a).end()
#define BIT(n) (1LL << (n))
#define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end()) //sortしてからつかうこと
constexpr ll mod = 1e9 + 7;
int dx[8] = {1, 0, -1, 0, 1, 1, -1, -1};
int dy[8] = {0, 1, 0, -1, 1, -1, 1, -1};
ll A, B, C, D, E, F, G, H, N, M, L, K, P, Q, R, W, X, Y, Z;
string S, T;
ll ans = 0;

template <typename T>
istream &operator>>(istream &is, vector<T> &vec) {
    for (T &x : vec)
        is >> x;
    return is;
}

template <ll mod>
class Fp {
public:
    ll val;

private:
    inline void calc_mod(ll &v) {
        if (v >= mod)
            v -= mod;
    }

public:
    Fp() { val = 0; }
    Fp(ll v) : val(v % mod) {
        if (val < 0)
            val += mod;
    }
    Fp operator+=(const Fp &in) {
        val += in.val;
        calc_mod(val);
        return *this;
    }
    Fp operator+(const Fp &in) const {
        return Fp(*this) += in;
    }
    Fp &operator-=(const Fp &in) {
        val -= in.val;
        calc_mod(val);
        if (val < 0)
            val += mod;
        return *this;
    }
    Fp operator-(const Fp &in) const {
        return Fp(*this) -= in;
    }
    Fp &operator*=(const Fp &in) {
        val = val * in.val % mod;
        return *this;
    }
    Fp operator*(const Fp &in) const {
        return Fp(*this) *= in;
    }
    Fp &operator/=(const Fp &in) {
        *this *= modpow(in, mod - 2);
        return *this;
    }
    Fp operator/(const Fp &in) const {
        return Fp(*this) /= in;
    }
    bool operator==(const Fp &in) const {
        return val == in.val;
    }
    bool operator!=(const Fp &in) const {
        return val != in.val;
    }
    friend Fp modpow(const Fp &in, ll n) {
        if (n == 0)
            return 1;
        if (n & 1) {
            return in * modpow(in * in, n / 2);
        } else {
            return modpow(in * in, n / 2);
        }
    }
    friend istream &operator>>(istream &is, Fp<mod> &fp) {
        is >> fp.val;
        return is;
    }

    friend ostream &operator<<(ostream &os, Fp<mod> &fp) {
        os << fp.val;
        return os;
    }
};
using modll = Fp<mod>;
class Factorial {
public:
    vector<modll> fact, finv;
    Factorial(ll n) : fact(n + 1, modll(1)), finv(n + 1, modll(1)) {
        for (int i = 2; i <= n; i++) {
            modll tmp(i);
            fact[i] = fact[i - 1] * tmp;
            finv[i] = finv[i - 1] / tmp;
        }
    }
    modll com(const ll &n, const ll &k) {
        if (n < k || n < 0 || k < 0)
            return modll(0);
        return fact[n] * finv[k] * finv[n - k];
    }
};

signed main() {
    cin >> L >> R;
    modll dp[61][2][2][2];
    modll res = 0;
    dp[60][0][0][0] = 1;
    RREPS(i, 60) {
        int l = L >> (i - 1) & 1;
        int r = R >> (i - 1) & 1;
        REP(j, 2)
        REP(k, 2)
        REP(s, 2) {
            REP(x, 2)
            REP(y, 2) {
                if (x == 1 && y == 0)
                    continue;
                int nj = j, nk = k, ns = s;
                if (!s && x != y)
                    continue;
                if (x && y)
                    ns = 1;
                if (!x && l && !j)
                    continue;
                if (x && !l && !j)
                    nj = 1;
                if (y && !r && !k)
                    continue;
                if (!y && r && !k)
                    nk = 1;
                dp[i - 1][nj][nk][ns] += dp[i][j][k][s];
            }
        }
    }
    REP(j, 2)
    REP(k, 2)
    REP(s, 2)
    res += dp[0][j][k][s];
    cout << res << endl;
}

Measured memory_bytes: 256