#include <iostream>
using namespace std;
int main() {
// your code goes here
int t, n, c, ak, i;
cin>>t;
while(t--) {
cin>>n>>c;
ak=0;
while(n--) { cin>>i; ak=ak+i; }
if(ak<=c) cout<<"Yes"<<endl;
else cout<<"No"<<endl;
}
return 0;
}
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