import sys
readline = sys.stdin.readline

N, M = map(int, readline().split())

csum = [0]*M
Tr = [list(map(int, readline().split())) for _ in range(N)]

for i in range(N):
    for j in range(M):
        csum[j] += Tr[i][j]

res = sum(-c**2 for c in csum)
points = [0]*N
for i in range(N):
    cnt = 0
    for j in range(M):
        cnt += 2*csum[j]*Tr[i][j]
    points[i] = cnt
points.sort(reverse = True)

for i in range(0, N, 2):
    res += points[i]
print(res)