# coding: utf-8
# Your code here!

def prime_factorize(N): #素因数分解
    exponent = 0
    while N%2 == 0:
        exponent += 1
        N //= 2
    if exponent: factorization = [[2,exponent]]
    else: factorization = []
    i=1
    while i*i <=N:
        i += 2
        if N%i: continue
        exponent = 0
        while N%i == 0:
            exponent += 1
            N //= i
        factorization.append([i,exponent])
    if N!= 1: factorization.append([N,1])
    assert N != 0, "zero"
    return factorization


import sys
readline = sys.stdin.readline
read = sys.stdin.read

n,m,k = [int(i) for i in readline().split()]

x = read().split()
op = x[0]

b = list(map(lambda x: int(x)%k, x[1:m+1]))
a = list(map(lambda x: int(x)%k, x[m+1:]))

#a.sort()
b.sort()




if op == "+":
    from collections import Counter
    C = Counter(b)
    ans = 0
    for ai in a:
        if ai == 0:
            ans += C[0]
        else:
            ans += C[k-ai]
    print(ans)

else:
    if k == 1:
        print(n*m)
        exit()

    fac = prime_factorize(k)
    plist = [f[0] for f in fac]
    
    div = [1]
    for p,e in fac:
        div = [i*p**j for j in range(e+1) for i in div]
    
    #print(fac)
    #print(div)
    
    from math import gcd
    
    memo = {i:0 for i in div}
    for bi in b:
        memo[gcd(bi,k)] += 1

    #print(memo)
    # zeta
    for p in plist:
        for x in div[::-1]:
            if x%p == 0:
                memo[x//p] += memo[x]
        
    #print(memo)
    
    ans = 0
    for ai in a:
        ai = gcd(ai,k)

        ans += memo[k//ai]


    print(ans)