#include <iostream>
#include <vector>
#include <numeric> 
using namespace std;
int main() {
    int n;
    cin >> n;
    vector<pair<long long, long long>> results; 
    for (int i = 0; i < n; ++i) {
        long long T;
        cin >> T;
        long long numerator = T + 1; 
        long long denominator = 2; 
        long long g = gcd(numerator, denominator);
        numerator /= g;
        denominator /= g;
        results.emplace_back(numerator, denominator);
    }
    for (const auto& result : results) {
        cout << result.first << " " << result.second << "\n";
    }
    return 0;
}

answer.code: In function ‘int main()’:
answer.code:14:23: error: ‘gcd’ was not declared in this scope
   14 |         long long g = gcd(numerator, denominator);
      |                       ^~~