#include<iostream>
#include<cstring>
#include<cstdio>
#include<cmath>
using namespace std;
int main()
{
    int t,n,p[110],v[110],i,a;
    char s[110][20];
    double evr,w[110];
    while(cin>>t)
    while(t--)
    {
        cin>>n;evr=99999;
        for(i=0;i<n;i++)
        {
        scanf("%s%d%d",s[i],&p[i],&v[i]);
        if(v[i]<200)
        continue;
        if(v[i]>1000)
        {
            if(evr<1.0*p[i]/5)
            {
                evr=1.0*p[i]/5;
                a=i;
            }
        }
        else
        {
            if(evr<1.0*p[i]/(v[i]/200))
            {
                evr=1.0*p[i]/(v[i]/200);
                a=i;
            }
        }
        }
        printf("%s\n",s[a]);
    }
    return 0;
}