import java.util.*;

public class Main {
    private static Scanner sc = new Scanner(System.in);
    private static int[][] ary;
    private static int h;
    private static int w;
    public static void main(String[] args) throws Exception {
        h = sc.nextInt();
        w = sc.nextInt();
        ary = new int[h][w];
        
        for (int i = 0;i < h;i++) {
            for (int j = 0;j < w;j++) {
                ary[i][j] = sc.nextInt();
            }
        }
        
        int q = sc.nextInt();
        for (int i = 0;i < q;i++) {
            int x = sc.nextInt() - 1;
            int y = sc.nextInt() - 1;
            int c = sc.nextInt();
            int pc = ary[x][y];
            draw(x, y, c, pc);
        }
        
        show();
    }
    
    private static void draw(int x, int y, int c, int pc) {
        ary[x][y] = c;
        int[] dx = {-1, 0, 1, 0};
        int[] dy = {0, 1, 0, -1};
        for (int i = 0;i < 4;i++) {
            int nx = x + dx[i];
            int ny = y + dy[i];
            
            if (0 <= nx && nx < h && 0 <= ny && ny < w) {
                int nc = ary[nx][ny];
                if (pc == nc && c != nc) {
                    draw(nx, ny, c, pc);
                }
            }
        }
    }
    
    private static void show() {
        for (int i = 0;i < h;i++) {
            StringBuilder sb = new StringBuilder();
            for (int j = 0;j < w;j++) {
                sb.append(ary[i][j]).append(" ");
            }
            System.out.println(sb.substring(0, sb.length()-1));
        }
    }
}