#include<iostream>
using namespace std;

void main()
{
	int age;
	cout << "What is your age? ";
	cin >> age;

	//reserved word - a word that is part of the language
	//inside the () should be a Boolean condition
	if(age < 1 || age > 1000)
	{
		cout << "You are an infant" << endl;
	}
	else
	{
		if(age < 4)
		{
			cout << "You are a toddler" << endl;	
		}
		else
		{
			if(age < 13)
			{
				cout << "You are a kid" << endl;				
			}
			else
			{
				if(age < 20)
				{
					cout << "You are a teenager" << endl;				
				}
				else
				{
					if(age < 35)
					{
						cout << "You are a young adult" << endl;				
					}
					else
					{
						if(age < 65)
						{
							cout << "You are an adult (or should be)" << endl;
						}
						else
						{
							cout << "You are a senior" << endl;
						}
					}
				}
			}

		}
	}
	
	cout << "It is over" << endl;

}