#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<int,int>;
constexpr ll INF = 9e18;
constexpr int inf = 1e9;
const double INFD = 1e100;
const ll mod = 1000000007;
const double PI = 3.1415926535897932384626433832795028841971;
const int dx[4] = {1, 0, -1, 0};
const int dy[4] = {0, 1, 0, -1};
template<class T> inline bool chmin(T& a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
};
template<class T> inline bool chmax(T& a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
};

// intやllをstringに変換
template<typename T> inline string toString(const T &a){
  ostringstream oss;
  oss << a;
  return oss.str();
};
// ---------------------------------------------------------------------------

int main(){
  int N;
  cin >> N;
  if(N == 1){
    cout << 1 << endl;
    cout << 0 << endl;
    return 0;
  }
  if(N == 2){
    cout << 2 << endl;
    cout << 0 << endl;
    cout << 11 << endl;
    return 0;
  }
  cout << N-1 << endl;
  for(int i=0; i<N-1; i++){
    string S = "";
    S += '1';
    S += string(i,'0');
    S += '1';
    cout << S << endl;
  }
  return 0;
}

