/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Main
{
    private static final int[] dx = { 0, 1, 0, -1};
    private static final int[] dy = {-1, 0, 1, 0};
    private static int H,W;
    private static int cnt;
    public static void main (String[] args) throws java.lang.Exception
    {
        // your code goes here
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String[] lines = br.readLine().split(" ");
        H = Integer.parseInt(lines[0]);
        W = Integer.parseInt(lines[1]);
        
        int[][] map = new int[H][W];
        for(int i=0;i<H;i++){
            lines = br.readLine().split(" ");
            for(int j=0;j<W;j++){
                map[i][j] = Integer.parseInt(lines[j]);
                if(map[i][j] == 0){
                    cnt++;
                }
            }
        }
        
        int Q = Integer.parseInt(br.readLine());
        int col = 0;
        for(int i=0;i<Q;i++){
            lines = br.readLine().split(" ");
            col = Integer.parseInt(lines[2]);
            if(cnt==0)continue;
            paint(map
                 ,Integer.parseInt(lines[0])-1
                 ,Integer.parseInt(lines[1])-1
                 ,col);
        }
        for(int i=0;i<H;i++){
            for(int j=0;j<W;j++){
                System.out.print(cnt==0?col:map[i][j]);
                System.out.print(j!=W-1?' ':'\n');
            }
        }
    }
    
    private static void paint(int[][] map,int h,int w,int color){
        if(map[h][w] == color){
            return;
        }
        Stack<Pair> stack = new Stack<Pair>();
        stack.push(new Pair(h,w));
        while(!stack.isEmpty()){
            Pair now = stack.pop();
            for(int i=0;i<4;i++){
                try{
                    int n_h = now.h+dx[i];
                    int n_w = now.w+dy[i];
                    if(map[n_h][n_w] != color){
                        map[n_h][n_w] = color;
                        if(map[n_h][n_w] == 0){
                            cnt++;
                        }else{
                            cnt--;
                        }
                        stack.push(new Pair(n_h,n_w));
                    }
                }catch(Exception e){}
            }
        }
    }
    private static class Pair{
        public int h;
        public int w;
        public Pair(int h,int w){
            this.h = h;
            this.w = w;
        }
    }
}