0159.java

import java.util.Scanner;
 
public class Main {
 
    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        while(true){
            int n = stdIn.nextInt();
            if(n==0){
                return;
            }
            int num = 0;
            double bmi = Double.MAX_VALUE;
            for(int i=0;i<n;i++){
                int tn = stdIn.nextInt();
                double tall = stdIn.nextInt()*0.01;
                int weight = stdIn.nextInt();
                double t_bmi = weight/(tall*tall);
                double sa = Math.abs(t_bmi-22);
                if(bmi>sa){
                    num = tn;
                    bmi = sa;
                }
            }
            System.out.println(num);
        }
    }
}