BINDEC

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Queue;
import java.util.Stack;

public class Program {

    static void DecToBin(int number) {
        Stack<Integer> digits = new Stack<Integer>();
        while (number != 0) {
            digits.push(number % 2);
            number /= 2;
        }

        while (digits.size() != 0) {
            System.out.print(digits.pop());
        }
    }

    static int BinToDec (int bin) {
        int dec = 0;
        int power = 0;
        while (bin != 0){
            int an = bin % 10;
            dec += an * Math.pow(2, power);
            power++;
            bin /= 10;
        }
        return dec;
    }

    public static void main(String[] args) {
        //DecToBin(200);
        System.out.println(BinToDec(11001000));
    }

}