#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;
    }