public class Quotientpar3 {
    static int transitions[][][] = {{{0,0},{1,0}},
                                    {{2,0},{0,1}},
                                    {{1,1},{2,1}}
                                   };
	
    public static void main(String [] args){
      	int etat = 0;
        int chiffre;
       	for(int i =0; i< args[0].length(); i++){
	    chiffre = args[0].charAt(i)-'0';
	    System.out.print(Transitions[etat][chiffre][1]);
	    etat= transitions[etat][chiffre][0];
            };
	System.out.println("");
        };
}