#include <bits/stdc++.h>

using namespace std;

struct tree{
 int x;
 int y;
 int size;
};

int m,n;

vector<tree> trees;
vector<vector<char> > pic;

inline void pixel(int x, int y, char c){
	if(x>=0 && y>=0 && x<m && y<m)pic[x][y] = c;
}

void process_stump(tree t){
	pixel(t.x-1, t.y, '_');
	pixel(t.x, t.y, 'o');
	pixel(t.x+1, t.y, '_');
}

void process_tree(tree t){
	pixel(t.x-1, t.y, '_');
	pixel(t.x, t.y, '|');
	pixel(t.x+1, t.y, '_');
	
	for(int i=0; i<t.size; i++){
		pixel(t.x-1, t.y+1+i, '/');
		pixel(t.x, t.y+1+i, '|');
		pixel(t.x+1, t.y+1+i, '\\');
	}
	
	pixel(t.x, t.y+t.size+1, '^');
}

void process_trees(){
	for(int i=0; i<n; i++){
	    if(trees[i].x<-2 || trees[i].x > m+3 || trees[i].y > m+3 || trees[i].y < -15) continue;
	    if(trees[i].size == 0)
	      process_stump(trees[i]);
	    else
	      process_tree(trees[i]);
	}
}

void print_image(){
	for(int i=0; i<m+2; i++) cout << '*';
	cout << endl;

	for(int y=0; y<m; y++){
		cout << '*' ;
		for(int x=0; x<m; x++){
			cout << pic[x][m-1-y];
		}
		cout << '*' << endl;
	}
	
	for(int i=0; i<m+2; i++) cout << '*';
	cout << endl;
}

int main(){
	ios::sync_with_stdio(false);
	
	
	while(scanf("%d %d", &m, &n)==2){
	trees.resize(n);
	
	pic.resize(m);
	for(int i=0; i<m; i++){
	    vector<char> v(m, '.');
		pic[i] = v;
	}
	
	for(int i=0; i<n; i++){
		tree t;
		scanf("%d %d %d", &t.size, &t.x, &t.y);
		trees[i] = t;
	}
	
	
	process_trees();
	print_image();
	
	
	cout << endl;
	}
	
	
	
	
	return 0;
}