// Author:  Keith Shomper
// Date:    10/20/03
// Purpose: To demonstrate function definitions and calls

#include <iostream>

using namespace std;

int main () {
	void write(string s);
	void write(int n);
	int  getNumber();
	int  distance(int endpoint1, int endpoint2);

	int  a;
	
	write("Please enter a number:  ");
	a = getNumber();

	write("The number you entered is ");
	write(a);
	write(".\n");

	write("This number is ");
	write(distance(a, 10));
	write(" unit(s) away from 10.\n");

	return 0;
}

void write (string s) {
	cout << s;
}

void write (int n) {
	cout << n;
}

int  getNumber() {
	int n;

	cin >> n;

	return n;
}

int  distance(int endpoint1, int endpoint2) {
	return abs(endpoint1 - endpoint2);
}