import java.io.*;
import java.util.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        long k = sc.nextLong();
        ArrayList<ArrayList<Long>> ans = new ArrayList<>();
        for (int i = 0; i <= 10000; i++) {
            ans.add(new ArrayList<>());
        }
        for (int i = 1; i <= 100; i++) {
            ans.get(i * i).add((long)i * i);
        }
        for (int i = 1; i <= 10000; i++) {
            if (ans.get(i).size() > 0) {
                continue;
            }
            int max = Integer.MAX_VALUE;
            int idx = 0;
            for (int j = 1; j <= i - j; j++) {
                if (ans.get(j).size() + ans.get(i - j).size() < max) {
                    max = ans.get(j).size() + ans.get(i - j).size();
                    idx = j;
                }
            }
            ans.get(i).addAll(ans.get(idx));
            ans.get(i).addAll(ans.get(i - idx));
        }
        ArrayList<Long> result = new ArrayList<>();
        while (k > 10000) {
            long x = (long)Math.sqrt(k);
            result.add(x * x);
            k -= x * x;
        }
        result.addAll(ans.get((int)k));
        System.out.println(result.size());
        System.out.println(result.stream().map(x -> x.toString()).collect(Collectors.joining(" ")));
    }
}  
class Utilities {
    static String arrayToLineString(Object[] arr) {
        return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
    }
    
    static String arrayToLineString(int[] arr) {
        return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    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 int[] nextIntArray() throws Exception {
        return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}