Classification of characters

Write a program that reads a letter, and that tells if it is an uppercase letter or a lowercase letter, and that also tells if it is a vowel or a consonant. Here, assume that the vowels are ‘a’, ‘e’, ‘i’, ‘o’ and ‘u’, and their corresponding uppercase letters.

Input : Input consists of a letter.

Output : Tell if the letter is uppercase or lowercase, and also tell if it is a vowel or a consonant.

#include <iostream> 
using namespace std;

int main (){
    char c;
    cin >> c;
    if (c >= 'a' and c <= 'z' )cout << "lowercase" << endl; 
    else cout << "uppercase" << endl; 
    
    if ((c == 'a' or c == 'e' or c == 'i' or c == 'o' or c == 'u') or (c == 'A' or c == 'E' or c == 'I' or c == 'O' or c == 'U')) cout << "vowel" << endl;
    else cout << "consonant" << endl;
}