#include<iostream>
using namespace std;
const int n = 40;
class HugeInteger {
    long int array[n];
public:
    HugeInteger() : array{ 0 } {};
    HugeInteger(long int _arr[n]) {
        for (int a = 0; a < n; a++) {
            _arr[a] = array[a];
        }
    }
    friend HugeInteger operator +(const HugeInteger& obj1, const HugeInteger& obj2) {
        for (int a = 0; a < n; a++) {
            return HugeInteger(obj1.array[a] + obj2.array[a]);
        }
    }
    friend HugeInteger operator -(const HugeInteger& obj1, const HugeInteger& obj2) {
        for (int a = 0; a < n; a++) {
            return HugeInteger(obj1.array[a] - obj2.array[a]);
        }
    }
    friend ostream& operator<< (ostream& out, const HugeInteger& obj)
    {
        for (int a = 0; a < n; a++) {
            out << obj.array << endl;
        }
        return out;
    }
    friend istream& operator>> (istream& in, HugeInteger& obj)
    {
        for (int a = 0; a < n; a++) {
            in >> obj.array[a];
        }
        return in;
    }
};

int main() {
    long int massive[n];

    HugeInteger obj1(massive), obj2(massive);

    cout << "Enter first object`s massive: "; cin >> obj1;
    cout << "Enter second object`s massive: "; cin >> obj2;

    cout << "First massive: " << obj1 << endl;
    cout << "Second massive: " << obj1 << endl;

    cout << "Sum: " << obj1 + obj2 << endl;
    cout << "Diff: " << obj1 + obj2 << endl;
}