#include<bits/stdc++.h>
using namespace std;
int n,m,k,x1,y,x2,y2;
char s[1009][1009],l;
int main()
{
	freopen("lostmonkey.in","r",stdin);
    freopen("lostmonkey.out","w",stdout);
	scanf("%d%d%d",&n,&m,&k);
	for(int i=1;i<=n;i++)
	  for(int j=1;j<=m;j++)
	    s[i][j]='0';
	while(k--)
	{
		scanf("%d%d%d%d %c",&x1,&y,&x2,&y2,&l);
		for(int i=x1;i<=x2;i++)
		  for(int j=y;j<=y2;j++)
		    s[i][j]=l;
	}
	for(int i=1;i<=n;i++)
	  {
	  	if(i>1)printf("\n");
	  	for(int j=1;j<=m;j++)printf("%c",s[i][j]);
	  }
	
	return 0;
}