import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        Object[] arr = new Object[] {
            new String[] {"a", "b", "c"},
            new String[] {"d", "e", "f"},
            new String[] {"g", "h", "i"}
        };
        for (Object value : arr) {
            System.out.println(((String[])value)[1]);
        }
    }
}