n,m,k = map(int,input().split())
a = [int(i) for i in input().split()]
b = [int(i) for i in input().split()]

mod = 10**9+7
ngs = 1024#1024

arui = [0]*(ngs)
arui[0] = 1
ali = [0]*(ngs)

for i in range(n):
    narui = [0]*ngs
    narui[0] = 1
    for j in range(ngs):
        narui[j^a[i]] += arui[j]
        #narui[j^a[i]] %= mod
    arui = narui[:]
    for j in range(ngs):
        if j == 0:
            ali[j] += arui[j]-1
        else:
            ali[j] += arui[j]
        #ali[j] %= mod

brui = [0]*(ngs)
brui[0] = 1
bli = [0]*(ngs)

for i in range(m):
    nbrui = [0]*ngs
    nbrui[0] = 1
    for j in range(ngs):
        nbrui[j^b[i]] += brui[j]
        #nbrui[j^b[i]] %= mod
    brui = nbrui[:]
    for j in range(ngs):
        if j == 0:
            bli[j] += brui[j]-1
        else:
            bli[j] += brui[j]
        #bli[j] %= mod
#print(ali,bli)
#exit()
ans = 0
for i in range(ngs):
    ans += ali[i]*bli[i^k]
    ans %= mod

print(ans)