#include <iostream>

using namespace std;

int main() {
	ios::sync_with_stdio(false);
	int m, n;
	char forest[100][100];
	while(cin >> m >> n) {
		for (int x = 0; x < m; x++)
			for (int y = 0; y < m; y++)
				forest[x][y] = '.';
		for (int tree = 0; tree < n; tree++) {
			int x, y, s;
			cin >> s >> x >> y;
			if (s == 0) {
				if(0 <= x && x < m && 0 <= y && y < m) forest[x][y] = 'o';
				if(0 <= x-1 && x-1 < m && 0 <= y && y < m) forest[x-1][y] = '_';
				if(0 <= x+1 && x+1 < m && 0 <= y && y < m) forest[x+1][y] = '_';
			} else {
				if(0 <= x && x < m && 0 <= y && y < m) forest[x][y] = '|';
				if(0 <= x-1 && x-1 < m && 0 <= y && y < m) forest[x-1][y] = '_';
				if(0 <= x+1 && x+1 < m && 0 <= y && y < m) forest[x+1][y] = '_';
				for(int i = 1; i <= s; i++) {
					if(0 <= x && x < m && 0 <= y+i && y+i < m) forest[x][y+i] = '|';
					if(0 <= x-1 && x-1 < m && 0 <= y+i && y+i < m) forest[x-1][y+i] = '/';
					if(0 <= x+1 && x+1 < m && 0 <= y+i && y+i < m) forest[x+1][y+i] = '\\';
				}
				if(0 <= x && x < m && 0 <= y+s+1 && y+s+1 <= m) forest[x][y+s+1] = '^';
			}
		}
		for(int i = 0; i < m + 2; i++) cout << '*';
		cout << endl;
		for(int j = m - 1; j >= 0; j--) {
			cout << '*';
			for(int i = 0; i < m; i++) cout << forest[i][j];
			cout << '*' << endl;
		}
		for(int i = 0; i < m + 2; i++) cout << '*';
		cout << endl << endl;
	}
	return 0;
}