#include <bits/stdc++.h>
using i64 = long long;
std::vector<std::pair<int, int>> dir{{0, 1}, {0, -1}, {1, 0}, {-1, 0}};
void ohNo() {
std::cout << "No\n";
exit(0);
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int n, m;
std::cin >> n >> m;
std::vector a(n + 2, std::vector<int>(m + 2));
std::vector vis(n + 2, std::vector<int>(m + 2, 1));
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
std::cin >> a[i][j];
vis[i][j] = 0;
}
}
int k;
std::cin >> k;
std::vector<int> r(k), c(k);
std::vector<bool> bad(k);
std::vector red(n + 2, std::vector<int>(m + 2, -1));
for (int i = 0; i < k; i++) {
std::cin >> r[i] >> c[i];
r[i]++;
c[i]++;
red[r[i]][c[i]] = i;
vis[r[i]][c[i]]++;
}
for (int i = 0; i < k; i++) {
int x = r[i], y = c[i];
if (~red[x][y + 1]) {
bad[red[x][y + 1]] = bad[i] = true;
vis[x][y - 1]++;
vis[x][y + 2]++;
vis[x - 1][y]++;
vis[x + 1][y]++;
vis[x - 1][y + 1]++;
vis[x + 1][y + 1]++;
}
if (~red[x + 1][y + 1]) {
bad[red[x + 1][y + 1]] = bad[i] = true;
vis[x - 1][y]++;
vis[x][y - 1]++;
vis[x + 1][y]++;
vis[x][y + 1]++;
if (x + 2 > n || y + 2 > m) ohNo();
vis[x + 1][y + 2]++;
vis[x + 2][y + 1]++;
}
if (~red[x - 1][y + 1]) {
bad[red[x - 1][y + 1]] = bad[i] = true;
vis[x][y - 1]++;
vis[x + 1][y]++;
vis[x - 1][y]++;
vis[x][y + 1]++;
if (y + 2 > m || x - 2 < 1) ohNo();
vis[x - 1][y + 2]++;
vis[x - 2][y + 1]++;
}
}
// for (int i = 0; i <= n + 1; i++) {
// for (int j = 0; j <= m + 1; j++) {
// std::cout << vis[i][j] << " ";
// }std::cout << "\n";
// }
for (int i = 0; i <= n + 1; i++) {
for (int j = 0; j <= m + 1; j++) {
if (vis[i][j] > 1) {
ohNo();
}
}
}
int ans = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
ans += a[i][j] * vis[i][j];
}
}
for (int i = 0; i < k; i++) {
if (bad[i]) continue;
int res = 0, cnt = 0;
int x = r[i], y = c[i];
for (auto [dx, dy] : dir) {
cnt += vis[x + dx][y + dy];
res += a[x + dx][y + dy];
}
if (cnt > 1) {
ohNo();
}
int v = 0;
for (auto [dx, dy] : dir) {
if (cnt == 0 || vis[x + dx][y + dy]) {
v = std::max(v, res - a[x + dx][y + dy]);
}
}
ans += v;
}
std::cout << ans << "\n";
return 0;
}
