n, m, k = map(int, input().split())
l = list(map(str, input().split()))
b = [int(l[i]) for i in range(1, m+1)]

op = l[0]
#print(op)
#rint(b)

a = [0]*n
for i in range(n):
    a[i] = int(input())

da = {}
for i in range(n):
    if a[i]%k not in da:
        da[a[i]%k] = 1
    else:
        da[a[i]%k] += 1

db = {}
for i in range(m):
    if b[i]%k not in db:
        db[b[i]%k] = 1
    else:
        db[b[i]%k] += 1

#print(da)
#print(db)

if op == '+':
    ans = 0
    for i in range(k):
        if i not in da:
            continue
        else:
            if i == 0:
                j = 0
            else:
                j = 13-i
            if j in db:
                ans += da[i]*db[j]
else:
    ans = 0
    for i in range(1, k):
        if i not in da:
            continue
        for j in range(1, k):
            if j not in db:
                continue
            if (i * j)%k == 0:
                ans += da[i]*db[j]
    if 0 in da and 0 in db:
        ans += da[0]*m + db[0]*n - da[0]*db[0]
    elif 0 in da and 0 not in db:
        ans += da[0]*m
    elif 0 not in da and 0 in db:
        ans += db[0]*n
    else:
        pass
print(ans)