#include <iostream>
#include <cmath>

using namespace std;
int pythag(double a, double b);
int pythag2(double b, double c);
int pythag3(double c, double a);


int main()
{
    double a;
    double b;

    cout << "Pythagorean theorem, Enter sides A and B and I will solve for C" << endl;
    cin >> a >> b;

    cout << "Side C is equal to " << pythag(a, b) << endl;

    cout << "Now input for Side A" << endl;
    cin >> a >> b;
    cout << "Side A is equal to " << pythag2(b, a) << endl;


    cout << "Now input for Side B" << endl;
    cin >> a >> b;
    cout << "Side B is equal to " << pythag3(b, a) << endl;


    return 0;
}

int pythag(double a, double b)
{
    double side1 = sqrt(pow(a, 2.0) + pow(b, 2.0));
    return side1;
}

int pythag2(double b, double c)
{
    double side2 = sqrt(pow(c, 2.0) - pow(b, 2.0));
        return side2;
}

int pythag3(double c, double a)
{
    double side3 = sqrt(pow(c, 2.0) - pow(a, 2.0));
    return side3;
}