#include <bits/stdc++.h>

using namespace std;

//typedef
//------------------------------------------
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;

//container util
//------------------------------------------
#define ALL(a)  (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define MP make_pair
#define SZ(a) int((a).size())
#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())

//repetition
//------------------------------------------
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)

//constant
//--------------------------------------------
const double EPS = 1e-10;
const double PI  = acos(-1.0);

int dx[] = {-1,1,0,0};
int dy[] = {0,0,-1,1};
int col[200][200];
bool use[200][200];
int H, W;
int dfs(int x, int y, int c){
  if(col[y][x] == c) return 0;
  col[y][x] = c;
  int sum = 1;
  REP(i,4){
	int tx=  x+dx[i], ty=y+dy[i];
	if(tx<0||W<=tx||ty<0||H<=ty||use[ty][tx]) continue;
	use[ty][tx] = true;
	sum += dfs(tx,ty,c);
  }
  return sum;
}

int main(){
  cin.tie(0);
  ios_base::sync_with_stdio(false);

  cin >> H >> W;
  REP(y,H) REP(x,W){
	cin >> col[y][x];
  }

  int Q; cin >> Q;
  bool fin = false;
  int c;
  while(Q--){
	int y, x;  cin >> y >> x >> c;
	--y,--x;
	if(!fin && col[y][x] != c){
	  fill((bool*)use, (bool*)use+200*200, false);
	  use[y][x] = true;
	  fin = dfs(x,y,c) == W*H;
	}
  }
  if(fin){
	REP(y,H){
	  REP(x,W) cout << (x==0?"":" ") << c;
	  cout << endl;
	}
  }
  else
	REP(y,H){
	  REP(x,W) cout << (x==0?"":" ") << col[y][x];
	  cout << endl;
	}

  return 0;
}