#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
  int x, y;
  vector<pair<int,int>> v;

  while ( cin >> x >> y )
  {
    v.emplace_back(y, x);
  }

  sort(v.begin(), v.end());

  x = 1;
  y = 1;
  for ( pair<int,int>& yx : v )
  {
    while (yx.first > y)
    {
      cout << endl;
      ++y;
      x = 1;
    }
    
    while (yx.second > x)
    {
      cout << ' ';
      ++x;
    }
    cout << '#';
    ++x;
  }
  cout << endl;
  
  return 0;
}