import java.util.Scanner;
class BinaryToDecimalConversion
{
public static void main(String[] args)
{
Scanner in = new Scanner( System.in );
System.out.println("Enter a binary number: ");
int binarynum =in.nextInt();
int binary=binarynum;
int decimal = 0;
int power = 0;
while(true)
{
if(binary == 0)
{
break;
}
else
{
int temp = binary%10;
decimal += temp*Math.pow(2, power);
binary = binary/10;
power++;
}
}
System.out.println("Binary="+binarynum+" Decimal="+decimal); ;
}
}