#include <bits/stdc++.h>
using namespace std;

int H,W;
vector<vector<int>> A;

int dx[] = {0,1,0,-1};
int dy[] = {1,0,-1,0};
void drop(int r,int c,int q){
	if(A[r][c] != q)A[r][c] = q;
	else return;
	for(int i=0;i<4;i++){
		int nr = r + dy[i];
		int nc = c + dx[i];
		if(nr<0 || nc<0 || nr>=H || nc>=W)continue;
		if(A[nr][nc] == q)continue;
		drop(nr, nc, q);
	}
}

int main(void){
	cin >> H >> W;
	A = vector<vector<int>>(H,vector<int>(W));
	for(int i=0;i<H;i++){
		for(int j=0;j<W;j++){
			cin >> A[i][j];
		}
	}
	int Q;
	cin >> Q;
	int color = -1;
	for(int i=0;i<Q;i++){
		int r,c,q;
		cin >> r >> c >> q;
		r--;c--;
		if(color == -1)drop(r,c,q);
		else{
			color = q;
			continue;
		}
		bool all = true;
		for(int j=0;j<H;j++){
			for(int k=0;k<W;k++){
				if(q != A[j][k])all = false;
			}
		}
		if(all)color = q;
	}
	for(int i=0;i<H;i++){
		for(int j=0;j<W;j++){
			if(color == -1)cout << A[i][j] << " ";
			else cout << color << " ";
		}cout << endl;
	}

	return 0;
}