from collections import Counter as C
from math import gcd
n,m,k,op,*ab = open(0).read().split()
m,k = int(m),int(k)
f = lambda x: int(x)%k if op=="+" else gcd(k,int(x))
a = C(map(f,ab[:m]))
b = C(map(f,ab[m:]))
print(sum(b[-i%k] for i,v in a.items()) if op == "+" else sum(v*w*(i*j%k==0) for j,w in b.items() for i,v in a.items()))