//System Libraries
#include <iostream>  //Input/Output Library
#include <string>
using namespace std;

//User Libraries

//Global Constants, no Global Variables are allowed
//Math/Physics/Conversions/Higher Dimensions - i.e. PI, e, etc...

//Function Prototypes

//Execution Begins Here!
int main(int argc, char** argv) {
    //Set the random number seed

    //Declare Variables
    bool star(string elem[], string sign1); //for loop
    string sign1, //Inputs
            sign2;

    //Initialize or input i.e. set variable values
    //Setting categories for star signs.
    string fire [] = {"Aries", "Leo", "Sagittarius"},
            earth [] = {"Taurus","Virgo","Capricorn"},
            air [] = {"Gemini","Libra","Aquarius"},
            water [] = {"Cancer","Scorpio","Pisces"};

    //Map inputs -> outputs
    	cout<<"Horoscope Program which examines compatible signs."<<endl;
        cout<<"Input 2 signs."<<endl;
	cin >>sign1>>sign2;

        //Display the outputs

        if (star(fire, sign1) && star(fire, sign2)){ //If both fire signs.
		cout<<sign1<<" and "<<sign2<<" are compatible Fire signs.";
        }
	else if (star(earth, sign1) && star(earth, sign2)){ //If both earth signs.
		cout<<sign1<<" and "<<sign2<<" are compatible Earth signs.";
        }
	else if (star(air, sign1) && star(air, sign2)){ //If both air signs.
		cout<<sign1<<" and "<<sign2<<"are compatible Air signs.";
                }
	else if (star(water, sign1) && star(water, sign2)){ //If both water signs.
		cout<<sign1<<" and "<<sign2<<" are compatible Water signs.";
        }
	else{ //If signs are not compatible.
		cout<<sign1<<" and "<<sign2<<" are not compatible signs.";
        }
}

        bool star(string elem[], string sign1) //loop exists outside of main execution.
        {
            for (int i = 0; i < 3; i++) //three signs per string
            {
                if (elem[i] == sign1)
                    return true;
            }
            return false;
        }