#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cstdio>
#include <functional>
#include <numeric>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <utility>
#include <sstream>
#include <complex>

using namespace std;

#define FOR(i,a,b) for(long long i=(a);i<(b);i++)
#define REP(i,N) for(long long i=0;i<(N);i++)
#define ALL(s) (s).begin(),(s).end()
#define fi first
#define se second

#define PI acos(-1.0)
#define INF 1000000007
#define EPS 1e-10

typedef long long ll;
typedef pair<ll, ll> P;
typedef pair<double, double> PD;
typedef pair<string, ll> PS;
typedef vector<ll> V;

ll n, i;
double h, w;

double BMI(double h, double w){
	return w / (h*0.01*h*0.01);
}

int main(){
	while (cin >> n){
		double bmi = INF;
		ll index = INF;
		REP(j, n){
			cin >> i >> h >> w;
			double a = fabs(BMI(h, w) - 22.0) - fabs(bmi - 22.0);
			if (a < -EPS){
				bmi = BMI(h, w);
				index = i;
			}
			if (fabs(a) < EPS){
				index = min(i, index);
			}
		}
		cout << index << endl;
	}
}