#include <iostream>

using namespace std;

char ch;

// This assignment is worth 3 points
// -1 if any numbers or ints are used anywhere

int main()
{
	cout << "Enter a character: ";
	cin >> ch;

	if(ch >= '0' && ch <= '9')
		cout << "This is a number.\n";
	else if(ch >= 'A' && ch <= 'Z')
		cout << "This is an uppercase letter.\n";
	else if(ch >= 'a' && ch <= 'z')
		cout << "This is a lowercase letter.\n";
	else
		cout << "This is a special character.\n";

	return 0;
}