#include <iostream>
using namespace std;

bool check (int a[], int n, int x, int k) {
	int res=x;
	for (int i=0; i<n; i++) res+=a[i];
	return res>k;
}
 
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int t; cin >> t;
    while (t--) {
	    int x, k, n; cin >> x >> k >> n;
	    int a[n]; 
	    for (int i=0; i<n; i++) cin >> a[i]; 
		if (check(a, n, x, k)) cout << "YES" << endl;
		else cout << "NO" << endl;
	}
}