n = int(input()) A = [list(map(int, input().split())) for _ in range(n)] inf = 1 << 60 fi = [-inf] * 32 se = [-inf] * 32 fi_ind = [-1] * 32 se_ind = [-1] * 32 for bit in range(32): for i, row in enumerate(A): tot = 0 for j in range(5): if bit >> j & 1: tot += row[j] else: tot -= row[j] if tot > se[bit]: se[bit] = tot se_ind[bit] = i if se[bit] > fi[bit]: fi[bit], se[bit] = se[bit], fi[bit] fi_ind[bit], se_ind[bit] = se_ind[bit], fi_ind[bit] for i, row in enumerate(A): ans = 0 for bit in range(32): tot = 0 for j in range(5): if bit >> j & 1: tot -= row[j] else: tot += row[j] if i == fi_ind[bit]: ans = max(ans, tot + se[bit]) else: ans = max(ans, tot + fi[bit]) print(ans)