import std.stdio, std.array, std.string, std.conv, std.algorithm;
import std.typecons, std.range, std.random, std.math, std.container;
import std.numeric, std.bigint, core.bitop, core.stdc.stdio;

void main() {
    auto s = readln.split.map!(to!int);
    auto H = s[0];
    auto W = s[1];
    auto A = iota(H).map!(_ => readln.split.map!(to!long).array).array;
    auto R = readln.split.map!(to!long).array;
    auto C = readln.split.map!(to!long).array;

    foreach (i; 0..H) A[i] ~= R[i] - A[i].sum;
    A.sort!"a.back > b.back";

    long csum = 0;
    foreach (j; 0..W) foreach (i; 0..H) C[j] -= A[i][j];
    foreach (j; 0..W) csum += max(0L, C[j]);

    auto ans = csum;
    auto tmp = csum;

    foreach (i; 0..H) {
        tmp += A[i].back;
        foreach (j; 0..W) {
            C[j] += A[i][j];
            tmp += max(0L, C[j] - max(C[j] - A[i][j], 0L));
        }
        ans = max(ans, tmp);
    }

    ans.writeln;
}