import java.util.*;
import java.io.*;
public class Main {

    public static void main(String[] args) {

    try {

        double ar[]= new  double[10];
        int thesh[]=new int[10];
        Scanner input=new Scanner(new File("C:/software/practise/src/hydrocarbons.in"));
        int oik =input.nextInt();
        int pl =-1;
        int j =-1;
        double t =0;
        while (input.hasNext())
        {
            int a=input.nextInt();
            int b=input.nextInt();
            int c=input.nextInt();
            t=a-a*(b/3000)-c*a/40;
            j++;

            if(t>0)
              {
                pl++;
                ar[pl]=t;
                thesh[pl]=j+1;
              }
        }
        boolean f=true;
        //System.out.println(Arrays.toString(ar));
        //System.out.println(Arrays.toString(thesh));
        System.out.print(pl);
        int k =1;
        int temp=0;
        double temp2=0;
        while (k<=pl & f==true) {
            f=false;
            for (int i = pl-1; pl-1 >=k; i--)
            {
                if(ar[i]>ar[i-1] || (ar[i]==ar[i-1] & thesh[i]<thesh[i-1]))
                {
                    f=true;
                    System.out.print(f);
                    temp2=ar[i];
                    ar[i]=ar[i-1];
                    ar[i-1]=temp2;
                    temp=thesh[i];
                    thesh[i]=thesh[i-1];
                    thesh[i-1]=temp;
                    System.out.println(Arrays.toString(ar));
                    System.out.println(Arrays.toString(thesh));
                    System.out.print(k);


                }

            }
            k++;
        }
        System.out.println(Arrays.toString(ar));
        System.out.println(Arrays.toString(thesh));
        try
        {
            File file = new File("C:/software/practise/src/hydrocarbons.out");
            FileWriter fw = new FileWriter(file);
            PrintWriter pw = new PrintWriter(fw);
            pw.println(pl);
            for(int i=0; i<=pl;i++)
            {
                System.out.println(Arrays.toString(thesh));
               pw.println(thesh[i]);
            }
            pw.close();
        }
        catch (Exception ex){}
        input.close();
    }
    catch (Exception ex){}
           }
       }