import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.*;

public class DailyTemperatures {
    private List<Temperature> dnevnaTemp;

    public DailyTemperatures(){
        this.dnevnaTemp =new ArrayList<>();
    }

    public void addTemperature(Temperature t){
        dnevnaTemp.add(t);
    }

    public void readTemperatures(InputStream inputStream){
        Scanner scan=new Scanner(inputStream);
        while(scan.hasNextLine()) {
            String s = scan.nextLine();
            String[] split = s.split("\\s");
            int day = Integer.parseInt(split[0]);
            Temperature temp = new Temperature(day);
            temp.setWhich(split[0].charAt(split.length - 1));
            temp.addTemp(Double.parseDouble(split[0].substring(0, split[0].length() - 1)));
            for (int i = 1; i < split.length; i++) {
                temp.addTemp(Double.parseDouble(split[i].substring(0, split[i].length() - 1)));
            }
            this.dnevnaTemp.add(temp);

        }
            /*String s=scan.next();
            temp.setWhich(s.charAt(s.length()-1));
            temp.addTemp(Double.parseDouble(s.substring(0,s.length()-1)));
            while(scan.hasNext()){
                String m=scan.next();
                temp.addTemp(Double.parseDouble(m.substring(0,m.length()-1)));
            }
            this.dnevnaTemp.add(temp);
            scan.nextLine();
        }*/
        scan.close();

    }

    public void writeDailyStats(OutputStream outputStream, char scale){
        PrintWriter pw=new PrintWriter(outputStream);
        Collections.sort(dnevnaTemp);
        if(scale == 'F'){
            for(Temperature t:dnevnaTemp){
                if(t.getWhich() == 'F'){
                    pw.print(t);
                }else{
                    t.fromCelToFar();
                    t.setWhich('F');
                    pw.print(t);
                }
            }
        }else {
            for(Temperature t:dnevnaTemp){
                if(t.getWhich() == 'C'){
                    pw.print(t);
                }else{
                    t.fromFartoCel();
                    t.setWhich('C');
                    pw.print(t);
                }
            }
        }
        pw.flush();
    }
}