class Test{
    public static void main(String[] args){
               int num=10;
    StringBuilder buf1=new StringBuilder();
    StringBuilder buf2=new StringBuilder();
    while (num != 0){
        int digit = num % 2;
        buf1.append(digit);
        num = num/2;
    }
    String binary=buf1.reverse().toString();
    int length=binary.length();
    if(length<8){
       while (8-length>0){
           buf2.append("0");
           length++;
       }
    }
    String bin=buf2.toString()+binary;
    System.out.println(bin);
    }
}

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