%{
#include <stdio.h>
int vowels = 0, consonants = 0;
%}
 
%%
[aeiouAEIOU]   { vowels++; }           /* match vowels */
[a-zA-Z]       { consonants++; }       /* match consonants (not already matched above) */
.|\n           ;                       /* ignore everything else */
%%
 
int main()
{
    printf("Enter a string: ");
    yylex();  /* start lexical analysis */
    printf("\nNumber of vowels: %d\n", vowels);
    printf("Number of consonants: %d\n", consonants);
    return 0;
}
 
int yywrap()
{
    return 1;
}
 

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