import java.io.*;
public class BynaryFloat
{
    
    /** Creates a new instance of BynaryFloat */
    public BynaryFloat()
    {
    }
            

    public static void main(String[] args)throws IOException
    {  
    InputStreamReader reader = new InputStreamReader(System.in);
    BufferedReader input = new BufferedReader(reader);
    System.out.println("What do you want the program to do?");
    System.out.println(" Decimal to binary ... 1");
    System.out.println(" Binary to decimal ... 2");
    String choice = input.readLine();
    float c = Integer.parseInt(choice);

    if(c==1)
    {
       System.out.println(" Enter a decimal number:");
       String dba=input.readLine();
           int db = Integer.parseInt(dba);
       System.out.println(db);
       int [] m = new int [10];
       int j, A;
           for(j=8;j>=1;j--)
           {
                  m[j] = db%2;
              db = db/2;
           }
                int sc = 0;
              
                  for(j=1;j<=8;j++)
            {
               if(m[j]==0)
                 {
                               if(sc==0)
                                    {
                                       continue;
                                    }
                 }
                             System.out.print(+m[j] + " ");
                             sc = sc+1;
                       }                  
    }

   if(c==2)
   {
      System.out.println("Enter a binary number");
      String bda=input.readLine();
      float l=bda.length()-1;
      double sum =0;
       for(int w =0;w<bda.length();w++)
       {
              char r = bda.charAt(w);
              String str = new Character®.toString();
          float er = Integer.parseInt(str);
          sum = sum + (er*Math.pow(2,l));
              l--;
              
          }
              
       System.out.println("The decimal is : "+sum);
   }

  
}
    
}