09. Magic Sum

#include <iostream>

using namespace std;

int main() {
    int length, magicSum;
    cin >> length;

    int* arr = new int[length];

    for (int i = 0; i < length; i++) {
        cin >> arr[i];
    }

    cin >> magicSum;

    for (int i = 0; i < length - 1; i++) {
        for (int j = i + 1; j < length; j++) {
            if (arr[i] + arr[j] == magicSum) {
                cout << arr[i] << ' ' << arr[j] << endl;
            }
        }
    }

    return 0;
}