To check a number is even or odd or prime

#include<iostream.h>
#include<conio.h>
class s{
 int n;
public:
 void getvalues();
 void evodd();
 void prime();
};
void s::getvalues()
{
 cout<<"Enter a number greater than 1:";
 cin>>n;
}
void s::evodd()
{
 if(n%2==0)
  cout<<"The number is even and ";
 else
  cout<<"The number is odd and ";
}
void s::prime()
{
 int flag=0;
 for(int i=2;i<n;i++)
 {
  if(n%i==0)
  {
   flag=1;
   break;
  }
 }
 if(flag==1)
  cout<<"it is not a prime number.";
 else
  cout<<"it is a prime number.";
 getch();
}
void main()
{
 clrscr();
 s ob;
 char c;
 do{
 clrscr();
 ob.getvalues();
 ob.evodd();
 ob.prime();
 cout<<"\nDo you wish to continue? (Y/N)  :";
 cin>>c;
 }while(c=='y'||c=='Y');
 getch();
}