#include <iostream>
#include <vector>
#include <string>
using namespace std;
#define REP(i, n) for(int i = 0; i < n; i++)
int w = 0;
int h = 0;
vector<vector<int> > v;
int dx[] = {1, 0, -1, 0};
int dy[] = {0, 1, 0, -1};
void paint(int cx, int cy, int q)
{
    if(v[cy][cx] == q)
        return;
    v[cy][cx] = q;
    REP(i, 4)
    {
        int tx = cx + dx[i];
        int ty = cy + dy[i];
        if(tx < 0 || tx >= w || ty < 0 || ty >= h)
            continue;
        paint(tx, ty, q);
    }
}

int main(void)
{
    cin >> h;
    cin >> w;
    v.resize(h);
    REP(i, h)
        REP(j, w)
        {
            int p;
            cin >> p;
            v[i].push_back(p);
        }
    int n;
    cin >> n;
    REP(i, n)
    {
        int r, c, x;
        cin >> r >> c >> x;
        r--; c--;
        paint(c, r, x);
    }
    REP(i, h)
    {
        REP(j, w)
        {
            cout << v[i][j];
            if(j < w - 1)
                cout << " ";
        } 
        cout << endl;
    }
    return 0;
}