#include<bits/stdc++.h>
using namespace std;
/*int read()
{
	int r=0,f=1;char c=getchar();
	while((c<'0'||c>'9')&&c!='-')c=getchar();
	if(c=='-')
	{
		f=-1;
		c=getchar();
	}
	while(c>='0'&&c<='9')
	{
		r=r*10+c-'0';
		c=getchar();
	}
	return r*f;
}*/
int main()
{
	int n,m,s[1001][1001];
	int i,j,x1,x2,y1,y2;
	cin>>n>>m;
	for(i=1;i<=m;i++)
	{
		cin>>x1>>y1>>x2>>y2;
		s[x1][y1]+=1;
		s[x2+1][y1]-=1;
		s[x1][y2+1]-=1;
		s[x2+1][y2+1]+=1;
	}
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n;j++)
		{
			s[i][j]=s[i-1][j]+s[i][j-1]-s[i-1][j-1];
			cout<<s[i][j]<<" ";
		}
		cout<<endl;
	}
	return 0;
}