#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> P;
int dx[4] = {0, 1, 0, -1};
int dy[4] = {1, 0, -1, 0};

int H, W;
int A[210][210];

void bfs(int sx, int sy, int c1, int c2) {
    if (c1==c2) return;
    
    queue<P> q;
    A[sx][sy] = c2;
    q.push(P(sx, sy));
    
    while (q.size()) {
        P p = q.front(); q.pop();
        int cx=p.first, cy=p.second;
        
        for (int i=0; i<4; i++) {
            int nx=cx+dx[i], ny=cy+dy[i];
            
            if (!(0<=nx && nx<H && 0<=ny && ny<W)) continue;
                
            if (A[nx][ny]==c1) {
                A[nx][ny] = c2;
                q.push(P(nx, ny));
            }
        }
    }
    
    return;
}

int main() {
    cin >> H >> W;
    
    for (int i=0; i<H; i++) {
        for (int j=0; j<W; j++) {
            cin >> A[i][j];
        }
    }
    
    int Q; cin >> Q;
    
    for (int i=0; i<Q; i++) {
        int Ri, Ci, Xi; cin >> Ri >> Ci >> Xi;
        bfs(Ri-1, Ci-1, A[Ri-1][Ci-1], Xi);
    }
    
    for (int i=0; i<H; i++) {
        for (int j=0; j<W; j++) {
            cout << A[i][j] << " ";
        }
        cout << endl;
    }
}