Outside declaration of the member function

Outside declaration of the member function

header files
class addition // class declaration
{
int a,b,c; // data member declaration
public:
void get() // function declaration
void put()

};
void addition::get()
{
cin>> a >> b;
c=a+b;
}
void addition::get()
{
cin>> a >> b;
c=a+b;
}

void main()
{
clrscr();
addition obj;
obj.get(); // object creation
obj.put(); // object calling
getch();

}