#include<bits/stdc++.h> #define ll long long #define pll pair<ll ,ll> using namespace std ; const ll z = 998244353 ; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("inputf.txt" , "r" , stdin) ; freopen("outputf.txt" , "w" , stdout) ; freopen("error.txt" , "w" , stderr) ; #endif int t ; cin >> t ; while(t--) { int n , x ; cin >> n >> x ; int ans = (2*n + 1 - x) ; cout << ans << endl ; } return 0; }