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#include <stdio.h>

int main()
{
    char ch;

    //Reading an alphabet from user
    printf("Enter any alphabet: ");
    scanf("%c", &ch);

    // checking vowel and consonant
    switch(ch)
    {
        case 'a': printf("vowel");
            break;
        case 'e': printf("vowel");
            break;
        case 'i': printf("vowel");
            break;
        case 'o': printf("vowel");
            break;
        case 'u': printf("vowel");
            break;
        case 'A': printf("vowel");
            break;
        case 'E': printf("vowel");
            break;
        case 'I': printf("vowel");
            break;
        case 'O': printf("vowel");
            break;
        case 'U': printf("vowel");
            break;
        default: printf("consonant");
    }

    return 0;
}