import sys
l=lambda:map(int,raw_input().split())
n=input()-1
c=input()
v=input()
s=l()
t=l()
y=l()
m=l()
w=[[]for i in[v]*v]
for x in[(s[i]-1,t[i]-1,y[i],m[i])for i in range(v)]:
	w[x[0]]+=[x]
d=[[]for i in[n]*n]
r=[(0,0,[0])]
g=[]
while len(r)>0:
	a=r.pop(0)
	for i in w[a[2][-1]]:
		b=(a[0]+i[2],a[1]+i[3],a[2]+[i[1]])
		if b[0]<=c:
			if i[1]==n:
				g+=[b]
			else:
				for x in d[i[1]]:
					if b[0]>=x[0] and b[1]>=x[1]:
						break
				else:
					r+=[b]
					d[i[1]]+=[(b[0],b[1])]
if len(g)>0:
	a=min(g,key=lambda x:x[1])
	print a[1]
else:
	print -1