import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.stream.Collectors;
import java.util.stream.Stream;

public class Forest {

    static char img[][];

    static void add_tree(int s, int x, int y) {
        try {
            img[y][x] = '|';
        }
        catch (Exception e){

        }

        try {
            img[y][x-1] = '_';
        }
        catch (Exception e){

        }

        try {
            img[y][x+1] = '_';
        }
        catch (Exception e){

        }

        for (int i = 1; i <= s; i++) {
            try {
                img[y+i][x] = '|';
            }
            catch (Exception e){

            }
            try {
                img[y+i][x+1] = '\\';
            }
            catch (Exception e){

            }
            try {
                img[y+i][x-1] = '/';
            }
            catch (Exception e){

            }
        }

        try {
            img[y+s+1][x] = '^';
        }
        catch (Exception e){

        }
    }

    static void add_stump(int x, int y) {
        try {
            img[y][x] = 'o';
        }
        catch (Exception e){

        }

        try {
            img[y][x-1] = '_';
        }
        catch (Exception e){

        }

        try {
            img[y][x+1] = '_';
        }
        catch (Exception e){

        }
    }


    public static void main(String... args) throws Exception {
         //try (BufferedReader reader = new BufferedReader(new FileReader(new File("forest.in")))) {
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) {

            String line;
            while ((line = reader.readLine()) != null) {
                String in[] = line.split(" ");
                int size = Integer.parseInt(in[0]);
                int count = Integer.parseInt(in[1]);

                img = new char[size][size];

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

                for (int i = 0; i < count; i++) {
                    in = reader.readLine().split(" ");
                    int s = Integer.parseInt(in[0]);
                    int x = Integer.parseInt(in[1]);
                    int y = Integer.parseInt(in[2]);

                    if (s>0) {
                        add_tree(s,x,y);
                    }
                    else {
                        add_stump(x,y);
                    }
                }

                for (int i = 0; i < size+2; i++) {
                    System.out.print("*");
                }
                System.out.println();

                for (int i = size-1; i >= 0; i--) {
                    char x[]=img[i];
                    System.out.print("*");
                    for (int j = 0; j < size; j++) {
                        System.out.print(x[j]);
                    }
                    System.out.println("*");
                }



                for (int i = 0; i < size+2; i++) {
                    System.out.print("*");
                }
                System.out.println();
                System.out.println();

            }
        }
    }
}