public override bool Equals(object other)
{
Man m = other as Man; return(m == null ? false : m.name == name && m.age == age);
}
public static string Surname(Man m)
{
return(m.name.Substring(m.name.LastIndexOf(' ') + 1));
}
object ICloneable.Clone()
{
Man m = this as Man;
return(m);
}