public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int N = sc . nextInt ( ) ;
  List < Integer > tmp = new ArrayList ( ) ;
  if ( N == 0 ) {
    tmp . add ( 0 ) ;
  }
  else {
    int base = - 2 ;
    while ( N != 1 ) {
      int mod = N % base ;
      switch ( mod ) {
        case - 1 : tmp . add ( 1 ) ;
        N = N / base + 1 ;
        break ;
        default : tmp . add ( mod ) ;
        N = N / base ;
      }
    }
    tmp . add ( N ) ;
    Collections . reverse ( tmp ) ;
  }
  String ans = "" ;
  for ( int i = 0 ;
  i < tmp . size ( ) ;
  i ++ ) {
    ans += Integer . toString ( tmp . get ( i ) ) ;
  }
  out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int N = sc . nextInt ( ) ; List < Integer > tmp = new ArrayList ( ) ; if ( N == 0 ) { tmp . add ( 0 ) ; } else { int base = - 2 ; while ( N != 1 ) { int mod = N % base ; switch ( mod ) { case - 1 : tmp . add ( 1 ) ; N = N / base + 1 ; break ; default : tmp . add ( mod ) ; N = N / base ; } } tmp . add ( N ) ; Collections . reverse ( tmp ) ; } String ans = " " ; for ( int i = 0 ; i < tmp . size ( ) ; i ++ ) { ans += Integer . toString ( tmp . get ( i ) ) ; } out . println ( ans ) ; }
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