#include<bits/stdc++.h>
using namespace std;
int n,ans,a[2005],b[2005];
bool cmp(int x,int y)
{
	return x>y;
}
int main()
{
	cin>>n;
	for(int i=1;i<=n;i++)
		cin>>a[i];
	for(int i=1;i<=n;i++)
		cin>>b[i];
	sort(a+1,a+n+1,cmp);
	sort(b+1,b+n+1,cmp);
	int tianl=1,tianr=n,qil=1,qir=n;
	while(tianl<=tianr&&qil<=qir)
	{
		if(a[tianl]>b[qil])
			ans+=200,tianl++,qil++;
		else
		{
			if(a[tianr]>b[qir])
				ans+=200,tianr--,qir--;
			else
				ans-=200,tianr--,qil++;
		}
	}
	cout<<ans;
	return 0;
}