Right Triangle Side Finder [C++]

This was coded by SonniE at 1am it works good
Try it Here

Code:

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//Coded By SonniE An codinghs original
#include <iostream>
#include <cmath>
using namespace std;
int main()
{

double side, side2, hypotenuse;
char type;
char yn;
cout << "Welcome To SonniE's Triangle-Side Finder(Pythagorean Theorem) \nThis applies only to right Triangles\n";
step1:
cout << "Enter what side your looking for Leg = l, hypotenuse = h: ";
cin >> type;
if (type == 'l')
{
        cout << "\nEnter The Hypotenuse's length: ";
        cin >> hypotenuse;
        cout << "Enter another Side of the triangle: ";
        cin >> side;
        side2 = sqrt((hypotenuse*hypotenuse) - (side*side));
        cout << "The Missing Side's Length is: " << side2 << "\n";
        cout << "Do you want to Enter another?";
        cin >> yn;
        if (yn == 'y')
        {
                goto step1;
        }
        if (yn == 'n')
        {
                goto step2;     
        }
}
else if (type == 'h')
{
        cout << "Enter Side 1's Length: ";
        cin >> side;
        cout << "Enter Side 2's Length: ";
        cin >> side2;
        hypotenuse = sqrt((side*side) + (side2*side2));
        cout << "The Missing Hypotenuse's Length is: " << hypotenuse << "\n";
                  cout << "Do you want to Enter another?";
        cin >> yn;
        if (yn == 'y')
        {
                goto step1;
        }
        if (yn == 'n')
        {
                goto step2;     
        }
}       
step2:
return 0; 
}

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