#include
#include
#include <bits/stdc++.h>
using namespace std;
#define int long long
int32_t main() {
// your code goes here
int T;
cin>>T;
while(T!=0)
{
int N,W,Wr,i,o=0,k,d,newwt=0;
cin>>N>>W>>Wr;
if(Wr>W)
{
o=1;
}
int w[N];
for(i=0;i<N;i++)
cin>>w[i];
k=w[0];
for(i=0;i<N;i++)
k=max(k,w[i]);
int count[k+1]={0};
for(i=0;i<N;i++)
count[w[i]]++;
for(i=0;i<=k;i++)
{
if(count[i]>=2)
{
int d=count[i]/2;
newwt=newwt+Wr+(2*i*d);
if(newwt>=W)
{
o=1;
break;
}
}
}
if(o==1)
cout<<"YES"<<endl;
else
cout<<"NO"<<endl;
T--;
}
}