include[HTML_REMOVED]
include[HTML_REMOVED]
include[HTML_REMOVED]
include[HTML_REMOVED]
using namespace std;
int main(){
int n , m, q;
cin >> n >> m >> q;
vector[HTML_REMOVED]> sums;
vector[HTML_REMOVED]> alls;
for(int i = 0;i <= n; i++){
vector temp(m+1,0);
sums.push_back(temp);
}
for(int i = 0;i < n; i++){
vector<int> temp;
for(int j = 0;j < m; j++){
int num;
cin >> num;
temp.push_back(num);
}
alls.push_back(temp);
}
for(int i = 1;i <= n; i++){
for(int j = 1;j <= m; j++){
sums[i][j] = sums[i-1][j] + sums[i][j-1] -sums[i-1][j-1] + alls[i-1][j-1];
}
}
for(int i = 0;i < q; i++){
int x_1, x_2, y_1, y_2;
cin >> x_1 >> y_1 >> x_2 >> y_2;
cout << sums[x_2][y_2] - sums[x_1 - 1][y_2] - sums[x_2][y_1 - 1] + sums[x_1 -1][y_1 -1] << endl;
}
return 0;
}