#include<iostream>
#include<string>
#include<algorithm>
#include<map>
#include<set>
#include<utility>
#include<vector>
#include<cmath>
#include<cstdio>
#define loop(i,a,b) for(int i=a;i<b;i++) 
#define rep(i,a) loop(i,0,a)
#define pb push_back
#define mp make_pair
#define it ::iterator
#define all(in) in.begin(),in.end()
const double PI=acos(-1);
const double ESP=1e-10;
using namespace std;
int main(){
  int n;
  while(cin>>n,n){
    string s="";double out=0;
    rep(i,n){
      string tmp;double a,b;
      cin>>tmp>>a>>b;
      a/=100;
      if(s==""){
	s=tmp;
	out=abs(b/a/a-22.0);
      }else if(out>abs(b/a/a-22.0)){
	out=abs(b/a/a-22.0);
	s=tmp;
      }
      //cout<<tmp<<" "<<b/a/a<<" "<<abs(b/a/a-22.0)<<endl;
    }
    cout<<s<<endl;
  }
}