import sys
input = sys.stdin.readline
from collections import defaultdict
import fractions
N, M, K = map(int, input().split())
R = 0

bs = []
fs = []
for i in range(N+1):
    if i == 0:
        X = input().split()
        e = X[0] == '+'
        if e:
            d = defaultdict(int)
            for x in X[1:]:
                d[K-int(x)%K] += 1
        else:
            bs = list(map(int, X[1:]))
            d = defaultdict(int)
            for b in bs:
                b = fractions.gcd(b, K)
                d[b] += 1
        continue
    x = int(input())
    if e:
        R += d[x%K]
    else:
        fs.append(x)
if e:
    print(R)
else:
    d2 = defaultdict(int)
    for b in fs:
        b = fractions.gcd(b, K)
        d2[b] += 1
    for c in d:
        for e in d2:
            if fractions.gcd(c*e, K) == K:
                R += d[c]*d2[e]
    print(R)