import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int k = sc.nextInt(); if (k == 0) { System.out.println(0); return; } HashMap base = new HashMap<>(); for (int i = 2; i <= 30; i++) { base.put(i * (i - 1) / 2, i); } int idx = 0; while (true) { if (base.containsKey(k) && base.get(k) + idx <= 30) { System.out.println(idx + base.get(k)); StringBuilder sb = new StringBuilder(); sb.append("1"); for (int i = 1; i < base.get(k); i++) { sb.append(" 1"); } for (int i = 0; i < idx; i++) { sb.append(" 0"); } System.out.println(sb); return; } k >>= 1; idx++; } } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }