N,M = map(int,input().split())
AA = [list(map(int,input().split())) for _ in range(N)]
used = [0] * N
now = [[0] * M for _ in range(2)]
t1 = 0
maxid = -1
for i,A in enumerate(AA):
    t2 = 0
    for a in A:
        t2 += a * a
    if t1 < t2:
        t1 = t2
        maxid = i
now[0] = AA[maxid][:]
used[maxid] = 1
for j in range(1,N):
    t1 = 0
    for i, A in enumerate(AA):
        if used[i]:
            continue
        t2 = 0
        for k,a in enumerate(A):
            t2 += (now[j%2][k] + a) ** 2
        if t1 < t2:
            t1 = t2
            maxid = i
    for k in range(M):
        now[j % 2][k] += AA[maxid][k]
    used[maxid] = 1

X = 0
Y = 0
for i in range(M):
    X += now[0][i] ** 2
    Y += now[1][i] ** 2
print(X - Y)