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

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author cteam014
 */
public class Forest {
    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    char[][] picture;
    int M;

    
    public void solve() throws  Exception {
        String line;
        int counter = 0;
        while ((line = reader.readLine()) != null) {
            /*if(counter > 0){
                System.out.println("");
            }*/
            counter++;
            String[] a = line.split(" ");
            M = Integer.parseInt(a[0]);
            int N = Integer.parseInt(a[1]);
            
            picture = new char[M][M];
            
            for (int i = 0; i < N; i++) {
                a = reader.readLine().split(" ");
                int S = Integer.parseInt(a[0]);
                int X = Integer.parseInt(a[1]);
                int Y = Integer.parseInt(a[2]);
                
                if(S == 0){
                    drawTrunk(X, Y);
                } else {
                    drawTree(S, X, Y);
                }
                
            }
            
            printPicture();
            System.out.println("");
            
        }   
    }
    
    public static void main(String[] args) throws Exception {
        new Forest().solve();
    }

    private void drawTrunk(int X, int Y) {
        drawChar(X, Y, 'o');
        drawChar(X+1, Y, '_');
        drawChar(X-1, Y, '_');
    }

    private void drawTree(int S, int X, int Y) {
        /*if(X > M || X < -1 || Y >= M || Y < -S-2){
            return;
        }*/
        
        drawChar(X, Y, '|');
        drawChar(X+1, Y, '_');
        drawChar(X-1, Y, '_');
        
        for (int i = 0; i < S; i++) {
            /*if(Y+1+i >= M){
                return;
            }*/
            drawEtage(X, Y+i+1);
        }
        drawChar(X, Y+S+1, '^');
    }

    private void drawEtage(int X, int Y) {
        drawChar(X, Y, '|');
        drawChar(X+1, Y, '\\');
        drawChar(X-1, Y, '/');
    }

    private void printPicture() {
        printStarLine();
        for (int i = M-1; i >=0; i--) {
            System.out.print('*');
            
            for (int j = 0; j < M; j++) {
                if(picture[i][j]== '\0'){
                    System.out.print('.');
                }else{
                    System.out.print(picture[i][j]);
                    
                }
            }
            
            System.out.print('*');
            System.out.println("");
        }
        
        printStarLine();
    }

    private void printStarLine() {
        for (int i = 0; i < M + 2; i++) {
            System.out.print('*');
        }
        System.out.println("");
    }
    
    private void drawChar(int X, int Y, char c){
        if(X > -1 && X < M && Y > -1 && Y < M){
            picture[Y][X] = c;
        }
        
    }

    
}
/*

3 2
0 5 5
9 1 0
8 10
3 3 2
0 2 1
1 -1 -1
0 -1 2
3 0 6
6 4 7
0 7 4
3 8 -1
5 5 -5
9 2 -10



*/