#include <bits/stdc++.h>

#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define FOR(i,n,m) for(int i=(int)(n); i<=(int)(m); i++)
#define RFOR(i,n,m) for(int i=(int)(n); i>=(int)(m); i--)
#define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++)
#define RITR(x,c) for(__typeof(c.rbegin()) x=c.rbegin();x!=c.rend();x++)
#define setp(n) fixed << setprecision(n)

#define ld long double
#define ll long long
#define vll vector<ll>
#define vi vector<int>
#define pll pair<ll,ll>
#define pi pair<int,int>

#define all(a) (a.begin()),(a.end())
#define rall(a) (a.rbegin()),(a.rend())
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define ins insert

using namespace std;

//-------------------------------------------------
//--ModInt
//-------------------------------------------------
const ::std::uint_fast64_t MOD = 1e9+7;

class mint
{
private:
    using value_type = ::std::uint_fast64_t;
    value_type n;
public:
    mint():n(0){}
    mint(::std::int_fast64_t _n):n(_n<0 ? MOD-(-_n)%MOD : _n%MOD){}
    mint(const mint &m):n(m.n){}

    friend ::std::ostream& operator<<(::std::ostream &os, const mint &a){
		return os << a.n;
	}
    friend ::std::istream& operator>>(::std::istream &is, mint &a){
        value_type temp; is>>temp;
        a = mint(temp);
        return is;
    }

    mint& operator+=(const mint &m){n+=m.n; n=(n<MOD)?n:n-MOD; return *this;}
    mint& operator-=(const mint &m){n+=MOD-m.n; n=(n<MOD)?n:n-MOD; return *this;}
    mint& operator*=(const mint &m){n=n*m.n%MOD; return *this;}
    mint& operator/=(const mint &m){return *this*=m.inv();}
    mint& operator++(){return *this+=1;}
    mint& operator--(){return *this-=1;}

    mint operator+(const mint &m) const {return mint(*this)+=m;}
    mint operator-(const mint &m) const {return mint(*this)-=m;}
    mint operator*(const mint &m) const {return mint(*this)*=m;}
    mint operator/(const mint &m) const {return mint(*this)/=m;}
    mint operator++(int){mint t(*this); *this+=1; return t;}
    mint operator--(int){mint t(*this); *this-=1; return t;}

    mint operator==(const mint &m) const {return n==m.n;}
    mint operator!=(const mint &m) const {return n!=m.n;}
    mint operator-() const {return mint(MOD-n);}

    mint pow(value_type b) const {
        mint ret(1), m(*this);
        while(b){
            if (b & 1) ret*=m;
            m*=m;
            b>>=1;
        }
        return ret;
    }

    mint inv() const {return pow(MOD-2);}
};

//-------------------------------------------------

int main(void)
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll L,R; cin>>L>>R;
    bool dL[60], dR[60];
    int Lmsb=-1, Rmsb=-1;
    rep(i,60){
        dL[i] = L>>(60-i-1)&1;
        dR[i] = R>>(60-i-1)&1;
        if (Lmsb==-1 && dL[i]) Lmsb = i;
        if (Rmsb==-1 && dR[i]) Rmsb = i;
    }
    mint ans=0;
    FOR(i,Rmsb,Lmsb){
        mint dp[60][2][2];
        rep(j,60)rep(k,2)rep(l,2)
            dp[j][k][l] = 0;
        int upper = (i<Lmsb)?1:0;
        int lower = (i>Rmsb)?1:0;
        dp[i][upper][lower] = 1;
        FOR(j,i+1,59){
            rep(k,2)rep(l,2){
                rep(x,2)rep(y,2){
                    int nk=k, nl=l;
                    if (x && !y) continue;
                    if (!k && dL[j] && !x) continue;
                    if (!dL[j] && x) nk=1;
                    if (!l && !dR[j] && y) continue;
                    if (dR[j] && !y) nl=1;
                    dp[j][nk][nl] += dp[j-1][k][l];
                }
            }
        }
        rep(j,2)rep(k,2)
            ans += dp[59][j][k];
    }
    cout<<ans<<endl;
    return 0;
}


Measured memory_bytes: 256