import java.util.*;
class Name implements Comparable
{  public String firstName,lastName;
   public Name(String firstName,String lastName)
   {  this.firstName=firstName;
      this.lastName=lastName;
    }
    public int compareTo(Name o)
    {  int lastCmp=lastName.compareTo(o.lastName);
       return(lastCmp!=0?lastCmp:firstName.compareTo(o.firstName));
     }
    public String toString()
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