//Sample06_21.java
class Sample06_21 {
    public static void main(String[] args){
        int x = 0b01011101;
        int y = 0b00001111;
        int ans = x & y;
        String binStr = Integer.toBinaryString(ans);
        binStr = String.format("%8s", binStr);
        binStr = binStr.replace(' ', '0');
        System.out.println(binStr);
    }
}