import java.util.Scanner;
public class konversibinerkedesimal
{
    public static void main(String args[])
    {
       Scanner input = new Scanner( System.in );
       System.out.print("Masukkan bilangan biner : ");
       String bilanganbiner =input.nextLine();
       System.out.println("Desimalnya adalah : "+Integer.parseInt(bilanganbiner,2));
    }
}