import java.java.rmi.RemoteException;
import java.java.rmi.Remote;
import java.java.server.UnicastRemoteObject;

public class CalcImpl implements Calc {

  public int add(int a, int b) throws RemoteException{
    return a+b;
  }
  public int substract(int a, int b) throws RemoteException{
    return  a-b;
  }
  public int multiply(int a, int b) throws RemoteException{
    return a*b;
  }
  public int divide(int a, int b) throws RemoteException{
    return a/b;
  }



}