q5.c

#include <ctype.h>
#include <stdio.h>

char c;
int vowels, consonants, others;

int main() {
    printf("Enter a string: ");

    do {
        c = getchar();
        c = toupper(c);

        if (isupper(c)) {
            switch (c) {
                case 'A':
                case 'E':
                case 'I':
                case 'O':
                case 'U':
                    vowels++;
                    break;
                default:
                    consonants++;
            }
        } else {
            others++;
        }
    } while (c != '\n');

    printf("Vowels count: %d\n", vowels);
    printf("Consonants count: %d\n", consonants);
    printf("Non-alphabetics count: %d\n", others);

    return 0;
}