#include <iostream>
using namespace std;
int a[1005][1005];
long long pr[1005][1005];
int main() {
	int n,m,k;
	cin>>n>>m>>k;
	long long pr[n+2][m+2]={};
	for(int i=1; i<=n; i++)
		for(int j=1; j<=m; j++)
			cin>>a[i][j];
	for(int i=1; i<=n; i++)
		for(int j=1; j<=m; j++)
		pr[i][j]=pr[i-1][j]+pr[i][j-1]-pr[i-1][j-1]+a[i][j];
	for(int i=1; i<=k; i++){
		int x1,y1,x2,y2;
		cin>>x1>>y1>>x2>>y2;
		long long s=pr[x1][y2]-pr[x2][y1-1]-pr[x1-1][y2]+pr[x1-1][y1-1];
	cout<<s<<'\n';
	}
}
 

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