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

void display(const bool *p);   //function declaration

int main()
{
	//The number of bits in the input number and the output number
	const size_t n {3};

	const bool input[n] {
		1,   //the one's place
		1,   //the two's place
		1    //the four's place
	};

	cout << "The  input number is ";
	display(input);
	cout << ".\n";

	bool carry {1};
	bool output[n];

	output[0] = input[0] ^ carry;   //bitwise exclusive or
	carry     = input[0] & carry;   //bitwise and

	output[1] = input[1] ^ carry;   //bitwise exclusive or
	carry     = input[1] & carry;   //bitwise and

	output[2] = input[2] ^ carry;   //bitwise exclusive or
	carry     = input[2] & carry;   //bitwise and

	cout << "The output number is ";
	display(output);
	cout << ".\n";

	return EXIT_SUCCESS;
}

void display(const bool *p)   //function definition
{
	cout << 4 * p[2]
	      + 2 * p[1]
	      + 1 * p[0];
}