#include <iostream>
#include <cmath>

using namespace std;

double root(double num);
double root(double num, double rt);
const int MAX_SIZE = 2;

// This assignment is worth 3 points

int main()
{
	double input[MAX_SIZE];
	int k = 0;
	char ch;
	string temp;

	cout << "Enter up to " << MAX_SIZE << " numbers: ";
	do
	{
		cin >> input[k];
		ch = cin.get();
		k++;
	} while(k < MAX_SIZE && ch != '\n');
	if(k == MAX_SIZE && ch != '\n')
		getline(cin, temp);

	switch(k)
	{
		case 1:
			cout << "The square root of " << input[0] << " is "
			     << root(input[0]) << endl;
			break;
		case 2:
			cout << "Root-" << input[1] << " of " << input[0] << " is "
			     << root(input[0], input[1]) << endl;
			break;
	}
	
	

	return 0;
}

double root(double num)
{
	return sqrt(num);
}

double root(double num, double rt)
{
	return pow(num, 1.0/rt);
}