#include <iostream>
#include <cstdlib>
using namespace std;

int main() 
{
	double degrees {0};
	int userResponse {0};

        cout << "If you would like to go from Fahrenheit to Celsius type 1. If you would like to go from Celsius to Fahrenheit type 2.\n";

	cin >> userResponse; 

	if (userResponse == 1) {
		cout << "Enter how many degrees Fahrenheit you want to convert to Celsius\n";
		cin >> degrees;
	        double final {(degrees - 32) * 5/9}; 
		cout << "That is equal to " << final << " degrees Celsius.\n"; 	
	}
	
	else if (userResponse == 2) {
		cout << "Enter how many degrees Celsius you want to convert to Fahrenheit\n";
		cin >> degrees; 
		double final {degrees * 9/5 + 32};
		cout << "That is equal to " << final << " degrees Fahrenheit.\n";
	
	}

	else {
		cerr << "You did not enter a 1 or a 2. Run the program again.\n";
		return EXIT_FAILURE;
	}

	return EXIT_SUCCESS; 
}