import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();
		int a[][] = new int[n + 2][m + 2];
		// 差分
		for (int i = 0; i < m; i++) {
			int x1 = sc.nextInt();
			int y1 = sc.nextInt();
			int x2 = sc.nextInt();
			int y2 = sc.nextInt();

			++a[x1][y1];
			++a[x2 + 1][y2 + 1];
			--a[x2 + 1][y1];
			--a[x1][y2 + 1];
		}
		// 前缀求和
		// 输出
		for (int i = 1; i <= n; i++) {
			for (int j = 1; j <= n; j++) {
				a[i][j] += a[i - 1][j] + a[i][j - 1] - a[i - 1][j - 1];
				System.out.print(a[i][j] + " ");
			}
			System.out.println();
		}
	}
}