C++

#include <iostream.h>
#include <conio.h>
void main ()
{
float L, M;
char ch;
do
 {
cout << "\nEnter L: ";
cin >> L;
cout << "Enter M: ";
cin >> M;
cout << "\nL+M= " << L+M;
cout << "\nL-M= " << L-M;
cout << "\nL*M= " << L*M;
if (M != 0)
cout << "\nL/M= " << L/M;
cout << " \n Do Again (y/n): ";
 cin >> ch;
}
 while (ch != 'n');
getch ();
}