main must return int

#include<iostream.h>

using namespace std;

class crcpara
{
public:
       void chooser_disp()
           {
           cout << "\t no:      name of the ocean \n";
           cout << "\t 1        Indian ocean \n";
           cout << "\t 2        pacific ocean \n";
           cout << "\t 3        atlantic ocean \n";
           cout << "\t 4        articic ocean \n";
           }
}

void main()
{
    crcpara plm;
    cout << " hello, this program is for enterpreuners and NOT for kids, so maintain caution "<<endl;
    cout << " please choose the ocean which your going to fish in "<<endl;
    plm.chooser_disp();
    cin.get();
    return 0;
}