public class Solution public static void main String args throws IOExc

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public class Solution
{
public static void main(String[] args) throws IOException
{
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String grandpaName = reader.readLine();
Cat catGrandpa = new Cat(grandpaName); // дедушка
String grandmaName = reader.readLine();
Cat catGrandma = new Cat(grandmaName); // бабушка
String fatherName = reader.readLine();
Cat catFather = new Cat(fatherName, null, catGrandpa); // папа
String motherName = reader.readLine();
Cat catMother = new Cat(motherName, catGrandma, null); // мама
String sonName = reader.readLine();
Cat catSon = new Cat(sonName, catMother, catFather); // сын
String daughterName = reader.readLine();
Cat catDaughter = new Cat(daughterName, catMother, catFather); // дочь
System.out.println(catGrandpa);
System.out.println(catGrandma);
System.out.println(catFather);
System.out.println(catMother);
System.out.println(catSon);
System.out.println(catDaughter);
}
public static class Cat
{
private String name;
private Cat mother;
private Cat father;
Cat(String name) {
this.name = name;
}
Cat(String name, Cat mother, Cat father)
{
this.name = name;
this.mother = mother;
this.father = father;
}
@Override
public String toString()
{
if (mother == null && father == null)
return "Cat name is " + name + ", no mother"+", no father";
else if (mother != null && father == null)
{
return "Cat name is " + name + ", mother is " + mother.name + ", no father";
}else if (mother == null && father != null){
return "Cat name is " + name + ", no mother" + ", father is "+father.name;
}else {
return "Cat name is " + name + ", mother is " + mother.name + ", father is "+father.name;
}
}
}
}