#include<cstdio>
#include<cstring>
using namespace std;
int main(){
    int n,m,k,x,y,h,c;
    scanf("%d%d%d",&n,&m,&k);
    int ph[n][m];
    memset(ph,0,sizeof(ph));
    int pc[n][m];
    memset(pc,0,sizeof(pc));
    for(int i=0;i<k;i++){
        scanf("%d%d%d%d",&x,&y,&h,&c);
        if(ph[x-1][y-1]==0 || ph[x-1][y-1]>h){
            ph[x-1][y-1]=h;
            pc[x-1][y-1]=c;
        }
    }
    for(int i=0;i<m;i++){
        for(int j=0;j<n;j++){
            printf("%d ",pc[i][j]);
        }
        printf("\n");
    }
    return 0;
}