import java.util.*;

class G28 {
	
  public String loophole(Integer x) {
    List<String> ys = new LinkedList<String>();
    List xs = ys;     // misuse of raw type
    xs.add(x);        // Compile-time unchecked warning
    return ys.iterator().next();
  }

/*   after type erasure
  public String loophole(Integer x) {
    List ys = new LinkedList;
    List xs = ys;
    xs.add(x); 
    return(String) ys.iterator().next(); // run time error
  }
*/

}