#include <ctype.h>
#include <string.h>
#include <iostream>
#include <fstream>
using namespace std;

void patch(istream & i, ostream & o)
{
  unsigned char lin[2048];
	unsigned char * c;

  while (i.good())
  {
		char instring = '\0';
		bool full = false;
  	
    i.getline((char *) lin, 2048);
    for(c = lin; isspace(*c); c++);  // salta spazi iniziali
    for (c ; *c; c++)
    {
			full = true;
    	if (*c == '!' && *(c + 1) == '!')
      {
				o << '#';
        c++;

      }
			else
	      if (*c == '#')
	      {
	        o << *c;
	        while (isspace(*(++c)));
					c--;
	      }
				else
		      if (*c == ';')
						o << '\n';
		      else
		       o << *c;
    }
  	if (full)
	    o << '\n';
  }
}

int main(int argc, char ** argv)
{
	if (argc == 1)
		patch(cin, cout);
	else
	{
		ifstream fin(argv[1]);

		if (argc == 2)
			patch(fin, cout);
		else
		{
			ofstream fout(argv[2]);

			patch(fin, fout);
		}
	}
  return 0;
}