My code is working fine but after selecting an option and at theend I want user could enter another option again without going backto menu. However, in my code when I enter another option, it printsthe whole menu again then I can select option.Could anyone help meon that?

#include \"stdafx.h\"#include #include#includeusing namespace std;const double pi = 3.14159265358979323846;const double deg_to_rad = (pi / 180);int main(){    int option;        do    {        cout << \"Enter the Desired Option to Perform: \"  // options are initialized.            << \"\n1 for Distance Calculations \"            << \"\n2 for Temperature Conversion \"            << \"\n3 for Angle Conversion \"            << \"\n-1 for exiting the menu \" << endl;        cin >> option;        switch (option)    //start of switch                                 // switch function is used to select options.        {        case 1:            cout << \"Option 1 is selected\" << endl;     // prints out which option was selected.            int x1, x2, y1, y2, x, y;            double distance;            cout << \" Enter the 1st point in x and y: \";   // option 1 computes the distance between x and y points.            cin >> x1 >> y1;            cout << \" Enter the 2nd point in x and y: \";            cin >> x2 >> y2;            x = x1 - x2;            y = y2 - y1;            cout << \"Your first point is: \" << \"(\" << x1 << \",\" << y1 << \")\"                << \"\n Your second point is: \" << \"(\" << x2 << \",\" << y2 << \")\"                << \"\nX value is: \" << x                << \"\nY value is:\" << y                << \"\nDistance is: \" << (distance = sqrt(x*x + y*y)) << endl;            cout << \"Enter another option\" << endl;            cin >> option;            break;        case 2:            cout << \"Case 2 is selected\" << endl;                            double f, c;                char tempc;                cout << \"Enter F for Fahrenheit or C for Celcius for intput type:\";  //asks the user for temperature.                cin >> tempc;       //option for converting celsius into fahernheit                if (tempc == 'c')                {                    cout << \"Enter the temperature in Celsius: \";                    cin >> c;                    f = (1.8 * c) + 32.0;  //temperature conversion formula                    cout << \"\nTemperature in degree Fahrenheit: \" << f << \" F\" << endl;                }                else if (tempc == 'f')  //option for converting Fahrenheit into Celsius                {                    cout << \"Enter the temperature in Fahrenheit: \";                    cin >> f;                    c = (f - 32) / 1.8; //temperature conversion formula                    cout << \"\nTemperature in degree Celsius: \" << c << \" C\" << endl;                }                else                    cout << \"Error Wrong Input.\" << endl;             // end of if statement.            break;        case 3:                    cout << \"Case 3 is selected\" << endl;            double angle, sine, cosine, tangent;            cout << \"Enter an angle (in degree): \";    // asks the user for an angle in radians.            cin >> angle;            cout << \"\nThe \" << angle << \" degree angle in radians: \" << (deg_to_rad*angle) << endl;            sine = sin(angle*deg_to_rad);            cosine = cos(angle*deg_to_rad);            cout << setprecision(4) << fixed;  // displays the sine,cosine, and tangent of the angle            cout << \"Sine : \" << sine << endl;            cout << \"Cosine: \" << cosine << endl;                        if (fabs(cos(angle*deg_to_rad)) < 0.001)                cout << \"Cosine of the angle is almost zero, Tangent does not exist.\" << endl;            else                cout << \"Tangent value of \" << angle << \"Degree Angle is \" << tan(angle*deg_to_rad) << endl;                break;        case 4:            cout << \"Exit Case is selected\" << endl;            break;                                } // end of switch        cout << \"Enter other option:\";                cin >> option;            } while (option != -1);    return 0;}