#include <iostream>
using namespace std;


//Challenge:
//You just took your final exam
//Take in exam score (0 to 100), and tell
//user what letter grade they will receive.

int main()
{
	cout << "Enter a number: " << endl;
	int x;
	cin >> x;

	if (x < 40)
	{
		cout << "less than 40.." << endl;
	}
	
	if (x == 40) //== is "equality" in c++
	{
		cout << "it's 40." << endl;
	}

	if (x < 40)
	{
		cout << "it's less than 40" << endl;
	}

	// && is the logical AND operator
	if (x >= 13 && x <= 19)
	{
		cout << "This variable is a teenager" << endl;
	}

	// || is the logical OR operator
	if (x < 2 || x>100)
	{
		cout << "Your variable needs diapers" << endl;
	}

	return 0;
}