#include<bits/stdc++.h>
using namespace std;
int main()
{
int t;
cin >> t;
while(t–)
{
int n;
cin >> n;
int a[n];
for (int i=0;i<n;i++)
{
cin >> a[i];
}
int m;
cin >> m;
sort(a,a+n);
int x=0;
int y=n-1;
int f=0;
int s=0;
while(x<y)
{
if(a[x]+a[y]==m)
{
f=a[x];
s=a[y];
x++;
y--;
}
else
if(a[x]+a[y]>m)
{
y--;
}
else
if(a[x]+a[y]<m)
{
x++;
}
}
cout<<"Deepak should buy roses whose prices are "<<f<<" and "<<s<<" ."<<endl;
}
}