import java.util.Scanner;
public class Person
{
  private String name;
  private int age;
  public void setName(String newName)
  {
    name = newName;
  }
  public void setAge(int newAge)
  {
    if (newAge >= 0)
      age = newAge;
    else
    {
      System.out.println("ERROR: Age is negative.");
      System.exit(0);
    } 
  }
  public void setPerson(String newName, int newAge)
  {
    setName(newName);
    setAge(newAge);
  }
  public String getName()
  {
    return name;
  }
  public int getAge()
  {
    return age;
  }
}