#include <bits/stdc++.h>
#include <bits/extc++.h>

#define int int64_t

#pragma GGG optimize("O3")

using namespace std;
using namespace __gnu_pbds;

template<typename T>
using orset = tree <T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename K>
using ormap = tree <T, K, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

int n, m, q;
vector<vector<int>> a;

int get(int fx, int fy, int sx, int sy){
    int sum = a[sx][sy];
    if (fx > 0)
        sum -= a[fx - 1][sy];
    if (fy > 0)
        sum -= a[sx][fy - 1];
    if (fy > 0 && fx > 0)
        sum += a[fx -1][fy - 1];
    return sum;
}

int32_t main() {
    ios::sync_with_stdio(false);
    cin >> n >> m>> q;
    a.resize(n);
    for(int i = 0; i < n; i++){
        a[i].resize(m);
        for(int j = 0; j < m; j++){
            cin >> a[i][j];
        }
    }
    for(int i = 1; i < n; i++)
        a[i][0] += a[i - 1][0];
    for(int i = 1; i < m; i++)
        a[0][i] += a[0][i - 1];
    for(int i = 1; i < n; i++){
        for(int j = 1; j < m; j++)
            a[i][j] = a[i][j] + a[i - 1][j] + a[i][j - 1] - a[i - 1][j - 1];
    }
    while(q--){
        int fi, fj, si, sj;
        cin >> fi >> fj >> si >> sj;
        fi--, si--, fj--, sj--;
        cout << get(fi, fj, si, sj) << " ";
    }
}