/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
 
class Alpha {
String getType() { return "alpha"; }
}
class Beta extends Alpha {
String getType() { return "beta"; }
}
class Gamma extends Beta {
String getType() { return "gamma"; }
public static void main(String[] args) {
Alpha g1 = new Gamma();
Beta g2 = new Gamma();
System.out.println(g1.getType() + " " 
+ g2.getType());
}
}

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