#include <stdio.h>



int size;

char picture[1000][1000];



void print_stump(int x, int y)
{
  if(y > size )
    return;
  y = size - y;
  x--;
  y--;
   if(x > 0)
    picture[y][x] = '_';
  x++;
  if(x > 0)
    picture[y][x] = 'o';
  x++;
  if(x > 0)
    picture[y][x] = '_';
  
}


void print_tree(int x, int y, int s)
{
  y = size - y;
  //  x--;
  y--;
  
  if(y <= size) {
    int tx = x -1;
    if(tx >= 0)
      picture[y][tx] = '_';
    tx++;
    if(x >= 0)
      picture[y][tx] = '|';
    tx++;
    if(x >= 0)
      picture[y][tx] = '_';
  }

  for(int i = 1; i <= s; i++) {
    if(y-i < 0 )
      return;
    if(y - i >= size)
      continue;

    int tx = x - 1;
    if(tx >= 0)
      picture[y-i][tx] = '/';
    tx++;
    if(tx >= 0)
      picture[y-i][tx] = '|';
    tx++;
    if(tx >= 0)
      picture[y-i][tx] = '\\';
  }
  if (y - s -1 >= 0 ) {
    if (x >= 0 )
      picture[y-s - 1][x] = '^';
  }

}


int main()
{
  int lines;
  while(scanf("%d %d", &size, &lines) != EOF ) {
    //TODO DOTS
    for(int i = 0; i < size; i++) {
      for (int j = 0; j < size; j++ ) {
	picture[i][j] = '.';
      }
    }

    for(int i = 0; i < lines; i++) {
      int x, y, s;

      scanf("%d %d %d", &s, &x, &y);
      if(s == 0) {
	print_stump(x, y);
      }
      else {
	print_tree(x, y, s);
      }


    }
    // print
    for(int i = 0; i < size + 2; i++) 
      printf("*");
    printf("\n");

    for(int i = 0; i < size; i++) {
      printf("*");
      for(int j = 0; j < size; j++) {
	printf("%c", picture[i][j]);
      }
      printf("*\n");
    }
     for(int i = 0; i < size + 2; i++) 
       printf("*");

    printf("\n");
    printf("\n");
    
    
  }
  
  return 0;
}