#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#define x first
#define y second
#define chkmin(a, b) a = min(a, b)
#define chkmax(a, b) a = max(a, b)
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> pii;
typedef vector<pii> vii;
typedef vector<bool> vb;
typedef vector<vb> vvb;
const int infinity = 1e9;
int main() {
int n, m;
cin >> n >> m;
vvi board(n, vi(m));
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
cin >> board[i][j];
}
}
int k;
cin >> k;
vii special(k);
vvb visited(n, vb(m));
for (int i = 0; i < k; i++) {
cin >> special[i].x >> special[i].y;
visited[special[i].x][special[i].y] = true;
}
int ans = 0;
vb finished(k);
for (int i = 0; i < k; i++) {
int x = special[i].x, y = special[i].y;
int sum = board[x][y], min_val = infinity, bad = 4;
if (x && !visited[x - 1][y]) {
sum += board[x - 1][y];
bad--;
// visited[x - 1][y] = true;
chkmin(min_val, board[x - 1][y]);
}
if (x < n - 1 && !visited[x + 1][y]) {
sum += board[x + 1][y];
bad--;
// visited[x + 1][y] = true;
chkmin(min_val, board[x + 1][y]);
}
if (y && !visited[x][y - 1]) {
sum += board[x][y - 1];
bad--;
// visited[x][y - 1] = true;
chkmin(min_val, board[x][y - 1]);
}
if (y < m - 1 && !visited[x][y + 1]) {
sum += board[x][y + 1];
bad--;
// visited[x][y + 1] = true;
chkmin(min_val, board[x][y + 1]);
}
if (bad == 1) {
finished[i] = true;
ans += sum;
} else if (bad > 1) {
cout << "No";
return 0;
} else {
if (!visited[x - 1][y - 1] && !visited[x - 1][y + 1] && !visited[x + 1][y - 1] && !visited[x + 1][y + 1]) {
ans += sum - min_val;
finished[i] = true;
}
}
}
for (int i = 0; i < k; i++) {
if (finished[i]) continue;
int x = special[i].x, y = special[i].y;
for (int j = i + 1; j < k; j++) {
if (finished[j]) continue;
int x1 = special[j].x, y1 = special[j].y;
if (abs(x - x1) > 1 || abs(y - y1) > 1) continue;
set<pii> touch;
touch.insert({x, y}), touch.insert({x - 1, y}), touch.insert({x + 1, y}), touch.insert({x, y + 1}), touch.insert({x, y - 1});
touch.insert({x1, y1}), touch.insert({x1 - 1, y1}), touch.insert({x1 + 1, y1}), touch.insert({x1, y1 + 1}), touch.insert({x1, y1 - 1});
for (pii p : touch) {
ans += board[p.x][p.y];
}
}
}
cout << ans;
}
