#include <bits/stdc++.h>

using namespace std;

#define FOR(i,a,b) for (int i = (a); i <= (b); i++)
#define FORD(i,a,b) for (int i = (a); i >= (b); i--)
#define REP(i,b) for (int i = 0; i < (b); i++)

const int N = 100000;
const int M = 105;

int m, n;
char cc[M][M];

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

int main() {
    while (scanf("%d%d", &m, &n) == 2) {
        REP(i, m) REP(j, m) cc[i][j] = '.';
        REP(i, n) {
            int s, x, y;
            scanf("%d%d%d", &s, &x, &y);
            if (s == 0) {
                draw(x - 1, y, '_');
                draw(x, y, 'o');
                draw(x + 1, y, '_');
            } else {
                draw(x - 1, y, '_');
                draw(x, y, '|');
                draw(x + 1, y, '_');
                FOR(j, 1, s) {
                    draw(x - 1, y + j, '/');
                    draw(x, y + j, '|');
                    draw(x + 1, y + j, '\\');
                }
                draw(x, y + s + 1, '^');
            }
        }
        REP(i, m) cc[i][m] = '\0';
        REP(i, m+2) printf("*");
        printf("\n");
        FORD(i, m - 1, 0) {
            printf("*%s*\n", cc[i]);
        }
        REP(i, m+2) printf("*");
        printf("\n");
        printf("\n");
    }
    return 0;
}