import java.io.File;
public class Main {
public static void main(String[] argv) throws Exception {
}
public static void visitAllFiles(File dir) {
if (dir.isDirectory()) {
String[] children = dir.list();
for (int i = 0; i < children.length; i++) {
visitAllFiles(new File(dir, children[i]));
}
} else {
System.out.println(dir);
}
}
}