문제
풀이
#include <iostream>
using namespace std;
void solve(void) {
int n, m; cin >> n >> m;
cout << 2*m-n << " " << n-m << "\n";
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t; cin >> t;
while (t--) solve();
return 0;
}