#include <iostream>
#include <cmath>
#include <algorithm>
using namespace std;

struct w
{
       string s;
       int money;
       int v;
       double price;
}k[110];

int cmp(w x, w y)
{
    if (x.price!=y.price)
    return x.price<y.price;
    else
    return x.v>y.v;
}
int main()
{
        int t,n;
        cin>>t;
        while (t--)
        {
              cin>>n;
              for (int i=0;i<n;i++)
              {
                   cin>>k[i].s>>k[i].money>>k[i].v;
                   int day=k[i].v/200;
                   if (day>5)
                   day=5; 
                   if (k[i].v<200)
                   k[i].price=99999;
                   else
                   k[i].price=k[i].money*1.0/day;
              }
              sort(k,k+n,cmp);
              cout <<k[0].s<<endl;
        }
        return 0;
}