import java.io.*;
import java.util.*;
public class PalTest
  {
   public static void main(String[] args)
   throws java.io.IOException   
  {
   String inputString;
   StringBuffer S;

   InputStreamReader isr = new InputStreamReader(System.in);
   
   BufferedReader br = new BufferedReader(isr);

import java.io.*;
import java.util.*;

public class MagicPrinter
{
public static void main(String[] args)
throws java.io.IOException
{
String inputString;
String n1;
int num1;
char a;
a = '*';
//for the input stream
InputStreamReader isr = new InputStreamReader(System.in);
//needed to use ReadLine()

MagicPrinter.java:26: unreported exception java.io.IOException; must be caught or declared to be thrown
inputString = br.readLine();
                         ^
1 error

 
import java.io.*;
import java.util.*;

public class MagicPrinter
{
public static void main(String[] args)
{
String inputString;

num1 = Integer.parseInt(input.readLine());

MagicPrinter.java:24: cannot find symbol
symbol  : variable input
location: class MagicPrinter
num1 = Integer.parseInt(input.readLine());
                        ^
1 error

import java.io.*;
import java.util.*;

public class MagicPrinter
{
public static void main(String[] args)
{
String inputString;
String = num1;
char a;
a = '*';

//for the input stream
InputStreamReader isr = new InputStreamReader(System.in);
//needed to use ReadLine()

import java.io.*;
import java.util.*;

publc class MagicPrinter
{
publc static void main(String[] args);
{
String inputString;
double num1;
char a = "*";

//for the input stream
InputStreamReader isr = new InputStreamReader(System.in);
//needed to use ReadLine()
BufferedReader br = new BufferedReader(isr);

import java.io.*;
import java.util.*;
public class Calculator
{
public static void main(String[] args)
throws java.io.IOException
{
float num1;
float oper;
float num2;
double result;

InputStreamReader isr = new InputStreamReader(System.in);

BufferedReader br = new BufferedReader(isr);

System.out.println("What do you want to compute?