//#include <iostream>
#include <fstream>
#include <vector>
#include <set>
#include <map>
#include <cstring>
#include <string>
#include <cmath>
#include <cassert>
#include <ctime>
#include <algorithm>
#include <sstream>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <cstdlib>
#include <cstdio>
#include <iterator>
#include <functional>
#include <bitset>
#define mp make_pair
#define pb push_back

#ifdef LOCAL
#define eprintf(...) fprintf(stderr,__VA_ARGS__)
#else
#define eprintf(...)
#endif

#define TIMESTAMP(x) eprintf("["#x"] Time : %.3lf s.\n", clock()*1.0/CLOCKS_PER_SEC)
#define TIMESTAMPf(x,...) eprintf("[" x "] Time : %.3lf s.\n", __VA_ARGS__, clock()*1.0/CLOCKS_PER_SEC)

#if ( _WIN32 || __WIN32__ )
    #define LLD "%I64d"
#else
    #define LLD "%lld"
#endif

using namespace std;

#define TASKNAME "notation"

#ifdef LOCAL
static struct __timestamper {
    string what;
    __timestamper(const char* what) : what(what){};
    __timestamper(const string& what) : what(what){};
	~__timestamper(){
        TIMESTAMPf("%s", what.data());
	}
} __TIMESTAMPER("end");
#else 
struct __timestamper {};
#endif

typedef long long ll;
typedef long double ld;


int main(){
    assert(freopen(TASKNAME".in","r",stdin));
    assert(freopen(TASKNAME".out","w",stdout));
	long long x;
	scanf(LLD"\n", &x);
	int sign = 1;
	vector<char> res;
	while (x) {
		if (x & 1) {
			res.pb(1);
			x -= sign;
		} else 
			res.pb(0);
		x /= 2;
		sign = -sign;
	}
	printf("%d\n", res.size());
	for (int i = 0; i < (int)res.size(); i++)
		printf("%d ", res[i]);
	printf("\n");	
    return 0;
}