#include using namespace std; typedef long long ll; struct Edge { int to; int t_cost; int m_cost; Edge(int to, int t_cost, int m_cost) : to(to), t_cost(t_cost), m_cost(m_cost) {} }; typedef vector > AdjList; //隣接リスト typedef vector::iterator Edge_it; const int INF = 10000000; AdjList graph; int main() { cin.tie(0); ios::sync_with_stdio(false); int n, v, c, s[1500], t[1500], y[1500], m[1500]; cin >> n >> c >> v; graph = AdjList(n); for(int i = 0; i < v; i++) { cin >> s[i]; s[i]--; } for(int i = 0; i < v; i++) { cin >> t[i]; t[i]--; } for(int i = 0; i < v; i++) { cin >> y[i]; } for(int i = 0; i < v; i++) { cin >> m[i]; } for(int i = 0; i < v; i++) { graph[s[i]].emplace_back(t[i], m[i], y[i]); } int dp[50][301] = {}; for(int i = 1; i < n; i++) { for(int j = 0; j <= c; j++) { dp[i][j] = INF; } } for(int i = 0; i < n; i++) { for(int j = 0; j <= c; j++) { for(auto it = graph[i].begin(), e = graph[i].end(); it != e; ++it) { if ((*it).m_cost > j) continue; dp[(*it).to][j] = min(dp[(*it).to][j], dp[i][j - (*it).m_cost] + (*it).t_cost); } } } if (dp[n - 1][c] == INF) cout << -1 <<"\n"; else cout << dp[n - 1][c] << "\n"; return 0; }