import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

import numpy as np
import math
from math import floor

def binom(n, r):
    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))

h, w = na()
a = [na() for i in range(h)]
a = np.array(a)
b = [na() for i in range(h)]
b = np.array(b)

#print(a)
#print(b)

ab = np.dot(a, b.T)
#print(ab)
ans = 0
for i in range(1, 1 << h):
    pc = bin(i).count('1')
    A = np.array([[ab[j][k] for k in range(w) if i >> k & 1] for j in range(h) if i >> j & 1])
    #print(bin(i), A, int(np.linalg.det(A)))   
    ans += floor(0.5+np.linalg.det(A)) * binom(h-1, pc-1)
print(ans)