#include <iostream>
void main( )
{
	std::cout << "type a character: ";
	char ch;
	std::cin >> ch;
	// isalpha
	// isdigit
	// ispunct
	// isspace
	// isupper
	// islower
	if ( isalpha( ch ) )
	{
		std::cout << "alpha ";
	}
	else if ( isdigit( ch ) )
	{
		std::cout << "digit ";
	}
	else if ( ispunct( ch ) )
	{
		std::cout << "punctuation ";
	}
	else {
		std::cout << "neither of the above ";
	}
}