#include <iostream>

#include <string>

using namespace std;

int square(int n);

int cube(int n);

int main(){

const float PI = 3.14f;

const string PROMPT = "The square of ";

int number;

number = 9;

// cout << number;

int result;

result = square(number);

cout<<PROMPT;

cout<<number;

cout<<" is ";

cout<<result;

cout<<'.';

cout<<'\n';//endl;

number = 19;

result = square(number);

cout<<PROMPT;

cout<<number;

cout<<" is ";

cout<<result;

cout<<'.';

cout<<'\n';//endl;

// cout<<"The title of the book is \'Gone with the wind\'.\n";

return 0;

/*

const float PI=3.1415926f;

const int NINE = 9;

int NINETEEN = 19;

string PROMPT= "The area of a circle with a radius of ";

//PROMPT = PROMPT+' ';

NINETEEN=20;

cout<<PROMPT<< NINE<<" is "<<PI*Square(NINE)<<'.'<<endl;

cout<<PROMPT<< NINETEEN<<" is "<<PI*Square(NINETEEN)<<'.'<<endl;

*/

}

// The function Square returns the square of the sole parameter n.

int square(int n){

return n * n;

}

/******************************

The function Square returns the square of the sole parameter n.

******************************

*/

int cube(int n){

return n * n * n;

}