%{
#include <stdio.h>
 
int vowels = 0, consonants = 0;
%}
 
%%
 
[aAeEiIoOuU] { vowels++; }        // Match vowels (case insensitive)
[b-df-hj-np-tv-zB-DF-HJ-NP-TV-Z] { consonants++; } // Match consonants (case insensitive)
.|\n { /* Ignore other characters */ }
 
%%
 
int main() {
    printf("Enter text (Ctrl+D to end input):\n");
    yylex(); // Start processing input
    printf("Number of vowels: %d\n", vowels);
    printf("Number of consonants: %d\n", consonants);
    return 0;
}
 
int yywrap() {
    return 1; // Indicate no more input
}
 
 

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