import java.io.*;

class logic
{
double F,C;
  
  logic(){F=1.0;C=1.0;}
  logic(double F)
  { this.F=F;}

publicdouble convert()
{
   C=(F-32)/1.8;
   return(C);
}

};

class  temperature
{
    publicstaticvoid main(String args[]) 
    {
         logic ob1=new logic(99.9);
         double result;
         result=ob1.convert();
         System.out.println("Celsius when Fahrenhiet is 99.9 is  : - "+result);
    
          BufferedReader  object = new BufferedReader(new InputStreamReader(System.in));
          String string;
         double n;
         
         
         try{
                   BufferedReader  obj = new BufferedReader(new InputStreamReader(System.in));
                   System.out.print("\nEnter Fahrenhiet degree :- ");
                   System.out.flush();
                   string=obj.readLine();
                     n=Float.parseFloat(string);
                    logic ob2=new logic(n);
                    result=ob2.convert();
                    System.out.println("\nCelsius when Fahrenhiet is n is :- "+result);
                }
            catch(Exception e) {}

    }
}