package mainimport fmtfunc main var tnsm int fmtScanfd&t for i=0;it;i++ fmtScanfd d&n&s for j=0;jn;j++ fmtScanfd&m s-=m ifs==0 fm

#include using namespace std;

int main() { int t, n, s, m; cin >> t; for(int i=0; i<t; i++){ cin >> n >> s; for(int j=0; j<n; j++){ cin >> m; s -= m; } if(s == 0){ cout << "YES" << endl; }else{ cout << "NO" << endl; } } return 0; }