class Animal
{
  str type;
  str name;
  int age;

  fn copy() Animal
  {
    Animal cp = new Animal;
    cp.type = this.type;
    cp.name = this.name;
    cp.age = this.age;

    return cp;
  }
}

Animal a = new Animal;
a.type = "Cow";
a.name = "Buryatka";
a.age = 5;

Animal b = a.copy();
a.name = "Gavryusha";
a.age = 10;

printline(a);
printline(b);

if (a.type == b.type && a.name != b.name && a.age < b.age)
  printline("Test passed");
else
  printline("Test failed");