#include <iostream>
using namespace std;
int mat[1001][1001];
int main() {
int n;
	cin >> n;
	int q; cin >> q;
	while (q--) {
		int x1, y1, x2, y2;
		cin >> x1 >> y1 >> x2 >> y2;
		mat[x1][y1]++;
		mat[x2 + 1][y2 + 1]++;
		mat[x1][y2 + 1]--;
		mat[x2 + 1][y1]--;
	}
	for(int i=1;i<=n;i++,cout<<endl)
		for (int j = 1; j <= n; j++) {
			mat[i][j] += mat[i - 1][j] + mat[i][j - 1] - mat[i - 1][j - 1];
			cout << mat[i][j] << " ";
		}
		return 0;
}

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NQo0CjIgMiA0IDQKMiAyIDQgNAoxIDEgMiAyCjEgMSA1IDU=

5
4
2 2 4 4
2 2 4 4
1 1 2 2
1 1 5 5