#include<iostream>
#include<algorithm>
using namespace std;
int a[1111],b[1111];
int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        int n,m;
        cin>>n>>m;
        int sum1=0,sum2=0;
        for(int i=0;i<n;i++)
            cin>>a[i];
        for(int i=0;i<n;i++)
            cin>>b[i];
        sort(a,a+n);
        sort(b,b+n);
        for(int i=0;i<m;i++)
        {sum1+=a[i];}
        for(int i=n-1;i>n-1-m;i--)
        {sum2+=b[i];}
        if(sum1>sum2)
            cout<<"YES"<<endl;
        else
            cout<<"NO"<<endl;
    }
}