%{
int num_lines = 0, num_chars = 0;
%}

%%
\n   { ++num_lines; ++num_chars; }
.    { ++num_chars; }
%%
main()  {
  yylex();
  printf( "# of lines = %d, # of chars = %d\n",
               num_lines, num_chars );
}

yywrap() { return 1; }