public class Main {

    public static void main(String[] args){
        new Main().run();
    }

    private void run(){
        System.out.println(bin2Ham(dec2Bin(bin2Dec(ham2Bin(new java.util.Scanner(System.in).nextLine()))*2)));
    }

    private int bin2Dec(String str){
        int ret=0;
        for(int i=0;i<str.length();i++){
            ret+=Integer.parseInt(str.charAt(str.length()-1-i)+"")*Math.pow(2, i);
        }
        return ret;
    }

    private String dec2Bin(int n){
        String str="";
        while(n!=0){
            str=(n%2)+str;
            n/=2;
        }
        return str;
    }

    private String bin2Ham(String bin){
        return bin.replaceAll("0","ham").replaceAll("1","hamu");
    }

    private String ham2Bin(String ham){
        return ham.replaceAll("hamu","1").replaceAll("ham","0");
    }

}