#include <iostream>
using namespace std;

//Overloading f1 three ways

int f1(int a);
double f1(double a);
long f1(long a);

int main()
{
	cout << f1();
	system ("pause");

	return 0;
}

//f1 for integer
int f1(int a)
{
	cout << "Please enter a number: ";
	cin >> a;
	return a;
}

// f1 for double
double f1(double a)
{
	cout << "Please enter a number: ";
	cin >> a;
	return a;
}

//f1 for long
long f1(long a)
{
	cout << "Please enter a number: ";
	cin >> a;
	return a;
}