vowel consonants

#include <stdio.h>

int isVowel(char ch) {
    ch = tolower(ch);
    if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u')
        return 1;
    return 0;
}

int main() {
    char input[100];
    int vowels = 0, consonants = 0, i;

    printf("Enter a character array: ");
    fgets(input, sizeof(input), stdin);

    for (i = 0; input[i] != '\0'; i++) {
        if ((input[i] >= 'a' && input[i] <= 'z') || (input[i] >= 'A' && input[i] <= 'Z')) {
            if (isVowel(input[i])) {
                vowels++;
            } else {
                consonants++;
            }
        }
    }

    printf("Vowels: %d\n", vowels);
    printf("Consonants: %d\n", consonants);

    return 0;
}