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- #include <bits/stdc++.h>
- using namespace std;
- int main() {
- int a, n, m;
- for (cin >> a; a-- && cin >> n >> m;) {
- if (n >= 0 && m >= 0 && m % 2 == 0 && m >= 2 * n && m <= 4 * n) {
- cout << (4 * n - m) / 2 << " " << (m - 2 * n) / 2 << endl;
- } else {
- cout << "No answer\n";
- }
- }
- return 0;
- }
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