public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

        String dadfatherName = reader.readLine();
        Cat catDadfather = new Cat(dadfatherName);

        String grandmotherName = reader.readLine();
        Cat catGrandmother = new Cat(grandmotherName);

        String fatherName = reader.readLine();
        Cat catFather = new Cat(fatherName, catGrandmother, catDadfather);

        String motherName = reader.readLine();
        Cat catMother = new Cat(motherName, catGrandmother, catDadfather);

        String daughterName = reader.readLine();
        Cat catDaughter = new Cat(daughterName, catMother, catFather);



        String catsunName = reader.readLine();
        Cat catSun = new Cat(catsunName, catMother,  catFather);

        System.out.println(catDadfather);
        System.out.println(catGrandmother);
        System.out.println(catFather);
        System.out.println(catMother);
        System.out.println(catSun);
        System.out.println(catDaughter);
    }

    public static class Cat {
        private String name;
        private Cat parent1;
        private Cat parent2;

        Cat(String name) {
            this.name = name;
        }

        Cat(String name, Cat parent1, Cat parent2) {
            this.name = name;
            this.parent1 = parent1;
            this.parent2 = parent2;
        }

        @Override
        public String toString() {
            if (parent1 == null & parent1 == null)
                return "Cat name is " + name + ", no mother, " + "no father";
            if (parent1 == null)
            return "Cat name is " + name + ", no mother, " + "father is" + parent2.name;
            if (parent2 == null)
            return "Cat name is " + name + ", mother is " + parent1.name + "no father";
            else
                return "Cat name is " + name + ", mother is " + parent1.name + ", father is" + parent2.name;
        }
    }
помогите плиз. чет уже уплыл. пишет что с третей строки и дальше не правильно. но компиляцию проходит