#include <iostream>
#include <vector>
#include <cstdio>
#include <ctime>
using namespace std;

int dx[] = {0,0,1,-1,0,0};
int* dy = dx+2;

int h,w;

int dfs(vector<vector<int>>& a, int r, int c, int col){
	if(a[r][c] == col) return 0;

	a[r][c] = col;
	int ret = 1;

	for(int k__=0; k__<4; k__++){
		int new_x = c + dx[k__];
		int new_y = r + dy[k__];
		if(new_x < 0 || new_x >= w || new_y < 0 || new_y >= h) continue;
		if(a[new_y][new_x] == col) continue;
		ret += dfs(a, new_y, new_x, col);	
	}

	return ret;
}

int main_(){
	scanf("%d%d", &h,&w);
	vector<vector<int>> a(h, vector<int>(w));
	for(int i=0; i<h; i++){
		for(int j=0; j<w; j++){
			scanf("%d", &a[i][j]);
		}
	}

	bool filled = false;
	int last = -1;

	int q;
	scanf("%d", &q);
	while(q--){
		int r,c,x;
		scanf("%d%d%d", &r,&c,&x);
		r--; c--;

		last = x;
		if(filled) continue;

		int cnt = dfs(a,r,c, x);
		filled = cnt == h*w;
	}

	if(filled){
		for(int i=0; i<h; i++){
			fill(a[i].begin(), a[i].end(), last);
		}
	}
	for(int i=0; i<h; i++){
		for(int j=0; j<w; j++){
			printf("%d%s", a[i][j], (j==w-1)?"\n":" ");
		}
	}
	return 0;
}

int main(){
	auto start = clock();
	main_();
	cerr << clock() - start << " [ms]" << endl;
	return 0;
}