#include <iostream>
using namespace std;
 
class Cat
{
public:
    string name;
    int age;
 
    Cat(string c, int a)
    {
        name = c;
        age = a;
    }
 
    void getData()
    {
        cout << "Yours cat name is " << name << endl;
        cout << "And he/she is " << age << " years old." << endl;
    }
 
    // Перевантаження оператора +
    Cat operator+(const Cat& other)
    {
        string newName = name + "_" + other.name;
        int newAge = age + other.age;
        return Cat(newName, newAge);
    }
};
 
int main()
{
    string s1, s2;
    int d1, d2;
 
    cin >> s1 >> d1;
    cin >> s2 >> d2;
 
    Cat first(s1, d1);
    Cat second(s2, d2);
 
    Cat result = first + second;
 
    result.getData();
 
    return 0;
}
 
 

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