%{
#include <stdio.h>
#include <string.h>

int chars = 0;
int words = 0;
int lines = 0;
%}

%option noyywrap

%%

[a-zA-Z]+   {words++; chars += yyleng;}
\n          {chars++; lines++;}
.           {chars++;}

%%

int main( ) {
  yylex( );
  printf("Characters: %d\nWords: %d\nLines: %d\n", chars, words, lines);
  return 0;
}