#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <iostream>
#include <istream>
#include <iterator>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
#include <tuple>
#include <iomanip>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef vector<ll> vec;
typedef vector<vec> mat;
#define rep(i, n) for(ll i = 0; i < (n); i++)
#define revrep(i, n) for(ll i = (n)-1; i >= 0; i--)
#define pb push_back
#define f first
#define s second
/*
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
ll max3(ll a, ll b, ll c){return max(a, max(b, c));};
ll min3(ll a, ll b, ll c){return min(a, min(b, c));};
ll max4(ll a, ll b, ll c, ll d){return max(max(a, b), min(c, d));};
ll min4(ll a, ll b, ll c, ll d){return min(min(a, b), min(c, d));};
ll max5(ll a, ll b, ll c, ll d, ll e){return max(max(a, b), max3(c, d, e));};
ll min5(ll a, ll b, ll c, ll d, ll e){return min(min(a, b), min3(c, d, e));};
*/
const ll INFL = 1LL << 60;//10^18 = 2^60
const int INF = 1 << 30;//10^9
ll MOD = 1000000007;
//ll MOD = 998244353;

vector<ll> dy = {0, 0, 1, -1, 1, 1, -1, -1, 0};
vector<ll> dx = {1, -1, 0, 0, 1, -1, 1, -1, 0};


ll pow_long(ll x, ll k){
  ll res = 1;
  while(k > 0){
    if(k % 2) res *= x;
    x *= x;
    k /= 2;
  }
  return res;
}
ll pow_mod(ll x, ll k){
  ll res = 1;
  while(k > 0){
    if(k % 2){
      res *= x; res %= MOD;
    }
    x *= x; x %= MOD;
    k /= 2;
  }
  return res;
}

ll inverse(ll x){return pow_mod(x, MOD - 2);};

ll gcd(ll a, ll b){
    if(b == 0) return a;
    return gcd(b, a % b);
}

ll lcm(ll x, ll y){return x / gcd(x, y) * y;};

ll kai_mod(ll x){
  if(x == 0) return 1;
  return x * kai_mod(x-1) % MOD;
}


//コンビネーション
const int MAXcomb = 200010;
ll fac[MAXcomb], finv[MAXcomb], inv[MAXcomb];
//facはn!,finvは1/n!
//invは逆元
void COMinit(){
    fac[0] = fac[1] = 1;
    finv[0] = finv[1] = 1;
    inv[1] = 1;
    for(int i = 2; i < MAXcomb; i++){
        fac[i] = fac[i-1] * i % MOD;
        inv[i] = MOD - inv[MOD%i] * (MOD/i) % MOD;
        finv[i] = finv[i-1] * inv[i] % MOD;
    }
}
ll comb(int n, int k){
    if(n < k) return 0;
    if(n < 0 || k < 0) return 0;
    return fac[n] * finv[k] % MOD * finv[n-k] % MOD;
}

ll tmpL, tmpR;
void solve(){
  vector<ll> L(64, 0), R(64, 0);
  rep(i, 64){
    L[i] = (tmpL>>(63-i)) & 1;
    R[i] = (tmpR>>(63-i)) & 1;
  }

  ll dp[65][2][2][2];//L < x, y < R, 最上位が確定
  rep(i, 65)rep(j, 2)rep(k, 2)rep(l, 2) dp[i][j][k][l] = 0;
  dp[0][0][0][0] = 1;
  for(ll i = 1; i <= 64; i++){
    if(L[i-1] == 1 && R[i-1] == 1){
      dp[i][1][1][1] = dp[i-1][1][0][1] + 3 * dp[i-1][1][1][1];
      dp[i][1][0][1] = 2 * dp[i-1][1][0][1];
      dp[i][0][1][1] = dp[i-1][0][1][1] + dp[i-1][0][1][0];
      dp[i][0][0][1] = dp[i-1][0][0][0] + dp[i-1][0][0][1];
    }else if(L[i-1] == 1 && R[i-1] == 0){
      dp[i][1][1][1] = 3 * dp[i-1][1][1][1];
      dp[i][1][0][1] = dp[i-1][1][0][1];
      dp[i][0][1][1] = dp[i-1][0][1][1] + dp[i-1][0][1][0];
    }else if(L[i-1] == 0 && R[i-1] == 1){
      dp[i][1][1][1] = dp[i-1][0][1][1] + dp[i-1][1][0][1] + 3 * dp[i-1][1][1][1] + dp[i-1][0][1][0];
      dp[i][1][0][1] = dp[i-1][0][0][1] + 2 * dp[i-1][1][0][1] + dp[i-1][0][0][0];
      dp[i][0][1][1] = dp[i-1][0][0][1] + 2 * dp[i-1][0][1][1];
      dp[i][0][0][1] = dp[i-1][0][0][1];
      dp[i][0][1][0] = dp[i-1][0][0][0] + dp[i-1][0][1][0];
    }else{
      dp[i][1][1][1] = dp[i-1][0][1][1] + 3 * dp[i-1][1][1][1] + dp[i-1][0][1][0];
      dp[i][1][0][1] = dp[i-1][1][0][1];
      dp[i][0][1][1] = 2 * dp[i-1][0][1][1];
      dp[i][0][0][1] = dp[i-1][0][0][1];
      dp[i][0][1][0] = dp[i-1][0][1][0];
      dp[i][0][0][0] = dp[i-1][0][0][0];
    }
    rep(j, 2)rep(k, 2)rep(l, 2) dp[i][j][k][l] %= MOD;
  }
  ll res = 0;
  rep(i, 2)rep(j, 2)rep(k, 2) res = (res + dp[64][i][j][k]) % MOD;
  cout << res << endl;
}



int main(){
  cin >> tmpL >> tmpR;
  solve();
}


Measured memory_bytes: 384