// demonstrates function usage - function is used before definition
// prototype needed
// Mikhail Nesterenko
// 9/27/07

#include <iostream>

using std::cin; using std::cout; using std::endl;

int add1(int); // increments the argument


int main() {

   char answer='y'; // check if user wants to continue 
   do{
	// get the number
	cout << "Enter a number: ";
	int n;
	cin >> n;

	// find the number plus 1
	int newn = add1(n);

	// print out the number plus 1
	cout << newn << endl;
	
	cout << "Do another number? (y/n) ";
	cin >> answer;

   }while(answer=='y');

}


// increments the argument
int add1(int i) {
    return i+1;
}