#include "bits/stdc++.h" using namespace std; #define ll long long int #define rep(i,n) for( int i = 0; i < n; i++ ) #define rrep(i,n) for( int i = n; i >= 0; i-- ) #define REP(i,s,t) for( int i = s; i <= t; i++ ) #define RREP(i,s,t) for( int i = s; i >= t; i-- ) #define dump(x) cerr << #x << " = " << (x) << endl; #define INF 2000000000 #define mod 1000000007 #define INF2 1000000000000000000 #define int long long signed main(void) { cin.tie(0); ios::sync_with_stdio(false); int K; cin >> K; int tmp = 1; int zero = -1, one = -1; rep(i, 32) { int j = 2; while (tmp * j * (j - 1) / 2 <= K){ if (i + j > 30) break; if (tmp * j * (j - 1) / 2 == K) { zero = i; one = j; break; } j++; } tmp *= 2; if (zero != -1) break; } if (zero + one < 0) { cout << 2 << endl; cout << "0 0" << endl; return 0; } cout << zero + one << endl; while (zero--) { cout << 0 << " "; } while (--one) { cout << 1 << " "; } cout << 1 << endl; return 0; }