#include<algorithm>
#include<fstream>
using namespace std;
ifstream fin("hunli.txt");
int a[100001],n;
int b[100001];
long long sum;
int main()
{
n=1;
while(n!=0)
{
cin>>n;
sum=0;
if(n!=0)
{
for(int i=0;i<n;i++)
cin>>a[i];
for(int i=0;i<n;i++)
cin>>b[i];
sort(a,a+n);
sort(b,b+n);
/*
for(int i=0;i<n;i++)
cout<<a[i]<<" ";
cout<<endl;
for(int i=0;i<n;i++)
cout<<b[i]<<" ";
cout<<endl;
*/
int ds,as,num;
ds=n-1;
as=n-1;
num=n;
while((ds>=0)&&(as>=0))
{
if(a[ds]==b[as])
{
num--;
ds--;
as--;
}
if(a[ds]>b[as])
{
num--;
ds--;
as--;
sum+=200;
}
if(a[ds]<b[as])
{
while((as>=0)&&(b[as]>a[ds]))
{as--;}
if(as!=-1)
{
if(a[ds]==b[as])
{
num--;
ds--;
as--;
}
if(a[ds]>b[as])
{
num--;
ds--;
as--;
sum+=200;
}
}
}
}
sum-=num*200;
cout<<sum<<endl;
//system("pause");
}
}
//system("pause");
return 0;
}