#include <iostream>
using namespace std;

const int N = 1e5+10;
int box1[N], box2[N];


int main()
{
	int n, m;
	long long ans = 0;
	box1[N] = 1, box2[N] = 1;
	cin >> n >> m;
	for (int i = 1; i <= n; i++) {
		int x;
		cin >> x;
		box1[x]++;
	}
	for (int i = 1; i <= m; i++) {
		int x;
		cin >> x;
		box2[x]++;
	}
	for (int i=1, j=1; i <= N && j <= N; ) {
		while (box2[j] == 0) j++;
		while (box1[i] == 0) i++;
		while (box2[j] > 0 && box1[i] > 0) {
			ans += j;
			box2[j]--;
			box1[i]--;
		}
		if (box1[i] > 0) continue;
		i++,j++;
	}
	for (int i = 1; i <= N+1; i++) {
		if (box1[i]-1 == 1) {
			cout << "you died!" << endl;
			return 0;
		}
	}
	cout << ans << endl;
	return 0;
}