#include <cstdlib>
#include <cstdio>

extern FILE* yyin;
extern int yyleng;
extern char* yytext;
extern int yylex ();
extern int yyparse ();

int
main ( int argc, char** argv )
{
  int res;
  if ( argc > 1 )
    {
      yyin = fopen ( argv [ 1 ], "r" ); 
    }
  res = yyparse (); 
  if (res == 0) fprintf (stdout, "Successful analysis");
}