package challanges;
import java.util.Scanner;
public class challage3 {
public static void main(String[] args) {
Scanner scn =new Scanner(System.in);
int n=scn.nextInt();
int remainder;
int j=1;
int decimalno=0;
for (int i=scn.nextInt();i<n;i++) {
while (i !=0) {
remainder=decimalno/10;
decimalno=decimalno +remainder*j;
j=j*2;
i=i/10;
}
System.out.println(decimalno);
}
}
}
what is wrong in this code???