import java.io.*;
import java.lang.*;

class Forest {
	static BufferedReader in;
	public static void main(String[] args) throws IOException{
		in = new BufferedReader(new InputStreamReader(System.in));
		String line;
		while((line = in.readLine())!=null){
		String first[]=line.split(" ");	
		int m=Integer.parseInt(first[0]);
		int n=Integer.parseInt(first[1]);
		char a[][]=new char[m][m];
		for (int i=0;i<m;i++){
			for (int j=0;j<m;j++)			
			a[i][j]='.';
		}
		for(int i=0;i<n;i++){
		line = in.readLine();		
		String []split=line.split(" ");
		int s=Integer.parseInt(split[0]);
		int x=Integer.parseInt(split[1]);
		int y=Integer.parseInt(split[2]);
			if(s==0){
				if(x-1>=0&&x-1<m&&y<m&&y>=0)a[x-1][m-1-y]='_';
				if(x>=0&&x<m&&y<m&&y>=0)a[x][m-1-y]='o';
				if(x+1>=0&&x+1<m&&y<m&&y>=0)a[x+1][m-1-y]='_';
			}
			if(s>0){
				//if(y<-1)s=s+y+1;			
				//kmen
				if(x-1>=0&&x-1<m&&y<m&&y>=0)a[x-1][m-1-y]='_';
				if(x>=0&&x<m&&y<m&&y>=0)a[x][m-1-y]='|';
				if(x+1>=0&&x+1<m&&y<m&&y>=0)a[x+1][m-1-y]='_';
				for(int is=1;is<=s;is++){
				if(is+y<m&&is+y>=0){
					System.out.println(x+" "+y+"+"+is);					
					if(x-1>=0&&x-1<m)a[x-1][m-1-(y+is)]='/';	
					if(x>=0&&x<m)a[x][m-1-(y+is)]='|';	
					if(x+1>=0&&x+1<m) a[x+1][m-1-(y+is)]='\\';
				}
				}	
				if(x>=0&&x<m&&y+s+1<m&&y+s+1>=0)a[x][m-1-(y+s+1)]='^';
			}	
		}
		for (int i=0;i<m+2;i++)System.out.print('*');
		System.out.println();
		for (int i=0;i<m;i++){
		System.out.print('*');
			for (int j=0;j<m;j++)			
			System.out.print(a[j][i]);
		System.out.println('*');

		}
		for (int i=0;i<m+2;i++)System.out.print('*');
		System.out.println();




		}//kniec while
	}
}