#include <iostream>
#include<algorithm>
#include<vector>

using namespace std;

int main() {
	int n;
	cin >> n;
	
	vector<int> arr1(n);
	vector<int> arr2(n);
	
	for(int i=0; i<n; i++) {
		cin >> arr1[i];
	}
	
	for(int i=0; i<n; i++) {
		cin >> arr2[i];
	}
	
	sort(arr1.rbegin(), arr1.rend());
	sort(arr2.rbegin(), arr2.rend());
	
	int sum = 0;
	
	for(int i=0; i<n; i++) {
		sum += arr1[i] * arr2[i];
	}
	
	cout << "Maximum Sum: " << sum;
	return 0;
}