#include <bits/stdc++.h>
using namespace std;

int main() {
	int n, m;
	cin >> n >> m;
	int a[n];
	int b[m];
	for (int i = 0; i < n; i++) {
		cin >> a[i];
	}
	for (int i = 0; i < m; i++) {
		cin >> b[i];
	}
	if (n > m) {
		cout << "you died!";
		return 0;
	}
	sort(a, a + n);
	sort(b, b + m);
	int sum = 0;
	int j = 0;
	for (int i = 0; i < n; i++) {
		if (a[i] == b[j]) {
			sum += b[j];
		} else if (a[i] < b[j]) {
			sum += b[j];
		}
		j++;
	}
	cout << sum;
	return 0;
}