import sys
import numpy as np

read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

N, M = map(int, readline().split())
A = np.array(read().split(), np.int32).reshape(N, M)

S = A.sum(axis=0)
I = np.argsort((A * S).sum(axis=1))
A = A[I][::-1]

me = A[::2].sum(axis=0)
enj = A[1::2].sum(axis=0)

x = np.dot(me, me) - np.dot(enj, enj)
print(x)