#include "bits/stdc++.h" using namespace std; /* macro */ #define rep(i,a,b) for(int i=a;i b; i--) #define int long long #define exist(s,e) ((s).find(e)!=(s).end()) #define all(v) (v).begin(), (v).end() #define each(s,itr) for(auto (itr) = s.begin(); (itr) != s.end(); (itr)++) #define sum(v) accumulate(all(v), (0LL)) #define pb push_back /* alias */ template using vec = vector; typedef vector vi; typedef pair pi; /* constant */ const int inf = 1000100010010010; const int mod = 1e9 + 7; int dx[8]={1,0,-1,0,-1,1,-1,1}; int dy[8]={0,1,0,-1,-1,-1,1,1}; /* io_method */ int input(){int tmp;cin >> tmp;return tmp;} string raw_input(){string tmp;cin >> tmp;return tmp;} string readline(){string s;getline(cin, s);return s;} template void printx(T n){cout << n;} template void printx(pair p){cout << "(" << p.first << "," << p.second << ")";} template void printx(vector v){cout << "{";rep(i,0,v.size()){printx(v[i]);if(i != v.size()-1)printx(",");}cout << "}";} template void print(T n){printx(n);cout << endl;} template void print(set s){cout << "{";each(s, e){if(e != s.begin()) printx(",");printx(*e);}cout << "}" << endl;} template void print(map mp){cout << "{";each(mp, e){cout << "(" << e -> first << "," << e -> second << ")";}cout << "}" << endl;} /* general_method */ templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b auto cut(T &a, int l, int r){return T(a.begin()+l, a.begin()+r);} /* main */ signed main(){ cin.tie(0); ios::sync_with_stdio(false); int k = input(); if(k == 0){ print(0); return 0; } rep(i,2,31){ //number of N rep(j,0,i - 1){ // number of 0 int comb = pow(2, j) * (i - j) * (i - j - 1) / 2; if(comb == k){ print(i); rep(t,0,j) cout << 0 << " "; rep(t,0,i - j) cout << 1 << (t == i - j - 1 ? "" : " "); cout << endl; return 0; } } } }