N = input()
C = input()
M = input()

S = map(int, raw_input().split())
T = map(int, raw_input().split())
D = map(int, raw_input().split())
M = map(int, raw_input().split())

E = [[] for _ in xrange(N)]

for s, t, d, m in zip(S, T, D, M):
    E[s - 1].append((t - 1, d, m))

dist = [[float("inf")] * (C + 1) for _ in xrange(N)]
dist[0][0] = 0

for v in xrange(N):
    for c in xrange(C + 1):
        for to, cost, time in E[v]:
            next_cost = c + cost
            if next_cost <= C:
                dist[to][next_cost] = min(dist[to][next_cost], dist[v][c] + time)

ans = min(dist[N - 1])
print ans if ans != float("inf") else -1