import java.util.*;

public class Metric{
  public static void main(String [] args){

    Scanner input = new Scanner(System.in);
    double usernum;
    int selec;

    System.out.println("What is the temperature of this room?");

    usernum = input.nextDouble();

    System.out.println("Press 1 to convert from C to F and 2 to convert from F to C");

    selec = input.nextInt();

    if(selec == 1)
      usernum = CtoF(usernum);

    else if(selec == 2)
      usernum = FtoC(usernum);

    else
      System.out.println("Bad input");

    if(selec == 1 || selec == 2)
      System.out.println(usernum);
  }

  public static double FtoC(double a){
    double constant = 5 / 9;

    a = (a - 32) * constant;

    return a;
  }

  public static double CtoF(double a){
    double constant = 9 / 5;

    a = a * constant + 32;

    return a;
  }
}