import java.io.*;
public class lat2
{
public static void main(String args[])
{
double hasil,kur,bel;
try
{
BufferedReader inputA=new BufferedReader (new InputStreamReader(System.in));
System.out.print("input A : ");
String input1=inputA.readLine();
double A=Double.parseDouble(input1);
BufferedReader ts=new BufferedReader (new InputStreamReader(System.in));
System.out.print("input B : ");
String input2=ts.readLine();
double B=Double.parseDouble(input2);
BufferedReader tl=new BufferedReader (new InputStreamReader(System.in));
System.out.print("input C : ");
String input3=tl.readLine();
double C=Double.parseDouble(input3);
kur=(C+B);
bel=(A-B);
hasil=(C+B)/(A-B);
System.out.println("hasil= "+"("+C+"+"+B+")"+"/"+"("+A+"-"+B+")");
System.out.println(" = "+kur+"/"+bel);
System.out.println(" = "+hasil);
}
catch (IOException e)
{
e.printStackTrace();
}
}
}