#include using namespace std; typedef long long ll; #define rep(i, n) for(ll i = 0, i##_len = (n); i < i##_len; i++) #define reps(i, s, n) for(ll i = (s), i##_len = (n); i < i##_len; i++) #define rrep(i, n) for(ll i = (n) - 1; i >= 0; i--) #define rreps(i, e, n) for(ll i = (n) - 1; i >= (e); i--) #define all(x) (x).begin(), (x).end() #define sz(x) ((ll)(x).size()) #define len(x) ((ll)(x).length()) int main() { cin.tie(0); ios::sync_with_stdio(false); // ifstream in("input.txt"); // cin.rdbuf(in.rdbuf()); ll k; cin >> k; if (k == 0) { printf("1\n1\n"); } vector comb(31); rep(i, 31) comb[i] = i * (i - 1) / 2; rep(i, 100) { ll a = 1LL << i; if (k % a != 0) continue; ll b = k / a; auto it = lower_bound(all(comb), b); if (*it != b) continue; ll idx = it - comb.begin(); if ((i + idx) > 30) continue; printf("%lld\n", i + idx); rep(j, i) printf("0 "); rep(j, idx) printf("1%s", (j == (idx - 1)) ? "\n" : " "); return 0; } return 0; }