#include #include #include #include using namespace std; using ll = long long; void solve(){ int n, s; cin >> n >> s; bitset<200001> dp; dp.set(0); for(int i=0; i> a; dp|=(dp<=0; i--){ if(dp.test(i)){ cout << i << '\n'; return; } } } int main(void){ int t; cin >> t; while(t--) solve(); return 0; }