import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.StringTokenizer;

public class Forest {
    static int m;
    static char[][] img;
    static int s;

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st;

        String line;
        while (true) {

            line = br.readLine();

            if (line == null) {
                break;
            }

            st = new StringTokenizer(line, " ");
            m = Integer.parseInt(st.nextToken());
            int n = Integer.parseInt(st.nextToken());
            int size = m + 2;

            img = new char[size][size];

            int sizeM = size - 1;
            for (int i = 0; i < size; i += sizeM) {
                for (int j = 0; j < size; j++) {
                    img[i][j] = '*';
                    img[j][i] = '*';
                }
            }
            for (int i = 1; i < sizeM; i++) {
                for (int j = 1; j < sizeM; j++) {
                    img[i][j] = '.';
                }
            }

            int x ,y;
            for (int i = 0; i < n; i++) {
                st = new StringTokenizer(br.readLine(), " ");
                s = Integer.parseInt(st.nextToken());
                x = Integer.parseInt(st.nextToken());
                y = Integer.parseInt(st.nextToken());

                // stump
                if (s == 0) {
                    root(x,y);
                }
                // tree
                else {
                    root(x,y);
                    top(x,y);
                    trunk(x,y);
                }
            }


//            System.out.println(Arrays.deepToString(img));
            for (int i = size - 1; i >= 0; i--) {
                for (int j = 0; j <= size - 1; j++) {
                    System.out.print(img[j][i]);
                }
                System.out.println();
            }
        }

        br.close();
    }

    static void top(int x, int y) {
        draw(x, y+s+1, '^');
    }

    static void trunk(int x, int y) {
        for (int i = 1; i <= s; i++) {
            draw(x-1,y+i,'/');
            draw(x,y+i,'|');
            draw(x+1,y+i,'\\');
        }
    }

    static void root(int x, int y) {
        draw(x-1, y, '_');
        draw(x, y, s == 0 ? 'o' : '|');
        draw(x+1, y, '_');
    }

    static void draw(int x, int y, char c) {
        x+=1;y+=1;
        if (inside(x, y)) {
            img[x][y] = c;
        }
    }

    static boolean inside(int x, int y) {
        return x > 0 && x < m + 1 && y > 0 && y < m + 1;
    }
}