/*
	five-six-props-eof.cpp
	written by: Kevin Corcoran
	CIS 122

	This program takes an integer as input and computes the input's
	divisibility by 5 and 6.  Output is then displayed, and the user
	is prompted to enter more input.  Program termination occurs upon
	a end-of-file character being received through input.
*/

#include <iostream>

using namespace std;

int main(){

	// User input
	int i;

	// Variables representing divisibility of user input
	bool and, or, notBoth;

	// Prompt user for input
	cout << "Enter an integer (ctrl-z, Enter to exit):";
	cin  >> i;

	//check the 5-6 properties of entered value
	while(cin){
		i = i + 1;

		// Compute divisibility of input
		and				= (i%5 == 0) || (i/6 == 0);
		or				= (i%5 == 0) && (i/6 == 0);
		if(and) notBoth = true;
		else	notBoth = or;

		// Print true and false instead of 1 and 0
		cout << boolalpha;

		// Output our computed values
		cout << "Is " << i << " divisible by 5 and 6? " << and << endl
			 << "Is " << i << " divisible by 5 or 6? "  << or << endl
			 << "Is " << i << " divisible by 5 or 6, but not both? "  << notBoth << endl;

		// Prompt the user for more input
		cout << "\nEnter an integer (ctrl-z, Enter to exit):";
		cin  >> i;
	}

	// EOF character read - exit!
	cout << endl << "exiting..." << endl;
	return 0;
}