//reference: http://blog.csdn.net/u012766950/article/details/38319843
#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

bool compare(int a, int b) {
	return a > b;
}

int main() {
	int n = 0, tmp = 0;
	vector<int> tian;
	vector<int> king;
	while (cin >> n&&n) {
		int count = 0;
		for (int i = 0; i < n; i++) {
			cin >> tmp;
			tian.push_back(tmp);
		}
		for (int i = 0; i < n; i++) {
			cin >> tmp;
			king.push_back(tmp);
		}
		sort(tian.begin(), tian.end());
		sort(king.begin(), king.end());

		for (; (tian.size());) {
			int size = tian.size();
			if (tian.at(size - 1) > king.at(size - 1)) {
				count++;
				tian.erase(tian.begin() + size - 1);
				king.erase(king.begin() + size - 1);
			}
			else if (tian.at(size - 1) < king.at(size - 1)) {
				count--;
				tian.erase(tian.begin());
				king.erase(king.begin() + size - 1);
			}
			else if (tian.at(0) > king.at(0)) {
				count++;
				tian.erase(tian.begin());
				king.erase(king.begin());
			}
			else if (tian.at(0) < king.at(0)) {
				count--;
				tian.erase(tian.begin());
				king.erase(king.begin() + size - 1);
			}
			else {
				if (tian.at(0) < king.at(size - 1))
				{
					count--;
				}
				tian.erase(tian.begin());
				king.erase(king.begin() + size - 1);
			}
		}
		cout << 200 * count << endl;

		tian.clear();
		king.clear();
	}
	return 0;
}