S02E10

#include<iostream>
#include<vector>

#define long long long
#define nln '\n'

using namespace std;

int main()
{
    long t;
    cin >> t;
    for (long i = 1; i <= t; ++i)
    {
        long n, x, k;
        cin >> n >> x >> k;
        vector<long> a;
        a.resize(n+1, 0);
        long cou = 0;
        for (long i = 1; i <= n; ++i)
            cin >> a[i];
        for (long i = 1; i <= n; ++i)
        {
            long b;
            cin >> b;
            if (abs(a[i]-b) <= k)
                ++cou;
        }
        if (cou >= x)
                cout << "yes" << nln;
            else
                cout << "no" << nln;
    }
    return 0;
}