#include <iostream>
#include<cmath>
#include<algorithm>
using namespace std;
int main() {
int n;
cin>>n;
for(int i=0;i<n;i++)
{
int a,money=0,n1=0,n2=0;
cin>>a;
int b[a];
for(int j=0;j<a;j++)
cin>>b[j];
cin>>money;
sort(b,b+a);
for(int j=0;j<a;j++)
{
for(int k=0;k<a;k++)
{
if(b[j]+ b[k]==money && k-j>=0)
{ n1=b[j];
n2=b[k];
}
}
}
int small=0,large=0;
if(n1<=n2)
{
small=n1;
large=n2;
}
else if(n1>n2)
{
small=n2;
large=n1;
}
cout<<"Deepak should buy roses whose prices are "<<small<<" and "<<large<<"."<<endl;
}
return 0;
}
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