where i am getting wrong?
/* package codechef; // don’t place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Main
{ static long mod=1000000007;
public static void main (String[] args) throws java.lang.Exception
{
Scanner sc=new Scanner(System.in);
int t=sc.nextInt();
while(t-->0){
long L=sc.nextLong();
long R=sc.nextLong();
long pow=0;
long newL=L;
while(Math.floor(L)>1){
L=L/2;pow++;
}
newL=newL%mod;
R=R%mod;
long near=(long)(Math.pow(2,pow))%mod;
//System.out.println(pow+"/"+newL);
long next=((long)(Math.pow(2,pow+1))-1)%mod;
//System.out.println(R+"/"+next);
long result=0;
if(R<=next){result=((R-newL)*(near)+newL)%mod;}
else{result=((next-newL)*(near)+newL)%mod;}
System.out.println(result);
}
}
}