import java.io.*;
import java.util.*;
public class Driver {
public static void main(String[] args) {
/*
g = new Greeter();
g.setGreeting("Hello");
g2 = new Greeter();
g2.setGreeting("How are you doing");
result = g.greet("Tom");
System.out.println(result);
result = g2.greet("Sarah");
System.out.println(result);
g.setGreeting("Sup");
System.out.println(g.greet("Adam"));
System.out.println(g2.greet("Alice"));
*/
Greeter g,g2;
String result;
g2 = new Greeter();
g = new Greeter("Hi", "Hello");
System.out.println(g2.happygreet("Tom"));
System.out.println(g2.sadgreet("Tom"));
System.out.println(g.happygreet("Tom"));
System.out.println(g.sadgreet("Tom"));
}
}