#include <bits/stdc++.h>
#define pb push_back
#define int long long
using namespace std;
const int N=1e6+5;
signed main()
{
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
int n,m;
cin>>n>>m;
vector<vector<int>> v(n+5,vector<int>(m+5));
for(int i=1;i<=n;++i) for(int j=1;j<=m;++j) cin>>v[i][j];
int k;cin>>k;
bool ok=1;
int ans=0;
for(int i=1;i<=k;++i)
{
int x,y;cin>>x>>y;++x,++y;
ok&=((x==1)+(x==n)+(y==1)+(y==m)<=1);
if(!ok) continue;
int score=v[x][y]+v[x-1][y]+v[x+1][y]+v[x][y-1]+v[x][y+1];
int mx=0;
if(x!=n&&y!=1&&y!=m) mx=max(mx,score-v[x-1][y]);
if(x!=1&&y!=1&&y!=m) mx=max(mx,score-v[x+1][y]);
if(x!=1&&x!=n&&y!=m) mx=max(mx,score-v[x][y-1]);
if(x!=1&&x!=n&&y!=1) mx=max(mx,score-v[x][y+1]);
ans+=mx;
}
if(!ok) {cout<<"No";return 0;}
cout<<ans;
}
