from collections import Counter,defaultdict
memo={}
def gcd(a,b):
  if (a,b) in memo:return memo[(a,b)]
  while b:a,b=b,a%b
  memo[(a,b)]=a
  return a

def main1(n,m,k,op,a,b):
  if k==1:return m*n
  if op=="+":
    ca=dict(Counter([x%k for x in a]))
    cb=dict(Counter([x%k for x in b]))
    ans=0
    for key,value in ca.items():
      if (k-key)%k in cb:
        ans+=cb[(k-key)%k]*value
    return ans
  else:
    ca=dict(Counter([gcd(x,k) for x in a]))
    cb=dict(Counter([gcd(x,k) for x in b]))
    ans=0
    for x in ca:
      for y in cb:
        if (x*y)%k==0:
          ans+=ca[x]*cb[y]
    return ans
import sys
input=sys.stdin.readline
if __name__=='__main__':
  n,m,k=map(int,input().split())
  b=list(input().split())
  op=b[0]
  b=list(map(int,b[1:]))
  a=[int(input()) for _ in range(n)]
  ret1=main1(n,m,k,op,a,b)
  print(ret1)