import java.util.Scanner;

/**
 *
 * @author Vidhikara
 */
public class BinaryToDec {

    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        System.out.println("Enter the binary no. - ");
        String bin=sc.nextLine();
        int flag=1;
        long dec=0,num;
        for(int i=0;i