#include <iostream>
#include <vector>
using namespace std;

int main(){
    // 重要公式 a[i][j] = a[i][j-1] + a[i-1][j] - a[i-1][j-1] + d[i][j]
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    vector<vector<int>> d(n+2, vector<int>(n+2, 0));
    for(int i = 0; i < m; ++i){
        int x1, x2, y1, y2;
        cin >> x1 >> y1 >> x2 >> y2;
        d[x1][y1] += 1;
        d[x1][y2+1] -= 1;
        d[x2+1][y1] -=1;
        d[x2+1][y2+1] += 1;
    } 
    vector<vector<int>> a(n+2, vector<int>(n+2, 0));
          
/*
    a[0][0] = d[0][0];
    for(int i = 0; i <= n; ++i){
        for(int j = 0; j <= n; ++j){
            if (i != 0 && j != 0) a[i][j] = a[i][j-1] + a[i-1][j] - a[i-1][j-1] + d[i][j];
            else if (i == 0 && j != 0) a[i][j] = a[i][j-1] + d[i][j];
            else if (i != 0 && j == 0) a[i][j] = a[i-1][j] + d[i][j]; 
        }
    }
*/

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            a[i][j] = a[i][j - 1] + a[i - 1][j] - a[i - 1][j - 1] + d[i][j];
        }
    }

    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j){
            cout << a[i][j] << " ";
        }
        cout << endl;
    }
    cout << endl;
    return 0;
}