#include <stdio.h> int main() { char num = '0'; while ((num = getchar()) != EOF) { getchar(); switch (num) { case 'A': case 'a': case 'E': case 'e': case 'I': case 'i': case 'O': case 'o': case 'U': case 'u': printf("Vowel\n"); break; default: printf("Consonant\n"); break; } } return 0; }