#include <iostream> #include <algorithm> using namespace std; int main() { int M, N; cin >> M >> N; int def[1005], atk[1005]; for (int i = 0; i < M; i++) cin >> def[i]; for (int i = 0; i < N; i++) cin >> atk[i]; sort(def, def + M); sort(atk, atk + N); int i = 0, j = 0; while (i < M && j < N) { if (atk[j] > def[i]) { i++; j++; } else { j++; } } int sum = 0; for (int k = j; k < N; k++) sum += atk[k]; cout << sum << endl; return 0; }