#include <bits/stdc++.h>

using namespace std;

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

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

  int r, c;
  cin >> r >> c;

  int ones = 0;
  
  vector<vector<int> > bd(r, vector<int>(c));
  for (int i = 0; i < r; i++) {
    for (int j = 0; j < c; j++) {
      cin >> bd[i][j];
      if (bd[i][j] == 1)
        ++ones;
    }
  }

  int q;
  cin >> q;
  int x, y, z;
  for (int t = 0; t < q; t++) {
    cin >> y >> x >> z;
    --x, --y;
    
    if (ones == r * c || ones == 0) continue;
    if (bd[y][x] == z) continue;
    int prv = bd[y][x];
    queue<pair<int, int> > que;
    que.emplace(y, x);
    bd[y][x] = z;
    if (z == 1) ++ones; else --ones;
    
    while (!que.empty()) {
      int cy, cx;
      tie(cy, cx) = que.front();
      que.pop();
      for (int k = 0; k < 4; k++) {
        int ny = cy + dy[k];
        int nx = cx + dx[k];
        if (0 <= ny && ny < r && 0 <= nx && nx < c)
          if (bd[ny][nx] == prv) {
            que.emplace(ny, nx);
            bd[ny][nx] = z;
            if (z == 1) ++ones; else --ones;
          }
      }
    }
  }

  if (ones == r * c || ones == 0) {
    for (int i = 0; i < r; i++)
      for (int j = 0; j < c; j++)
        bd[i][j] = z;
  }

  for (int i = 0; i < r; i++) {
    for (int j = 0; j < c; j++)
      cout << bd[i][j] << " ";
    cout << endl;
  }
  
  return 0;
}