%{
#include <stdio.h>
int num_lines = 0, num_chars = 0;
%}
%option noyywrap
%%
"\n"            { num_lines++; num_chars++; }
.               { num_chars++; }
%%
int main() {
    yylex();
    printf("%d Zeilen, %d Buchstaben\n", num_lines, num_chars);
}