#include<bits/stdc++.h>
using namespace std;
#define ALL(x) x.begin(),x.end()
#define rep(i,n) for(int i=0;i<n;i++)
#define debug(v) cout<<#v<<":";for(auto x:v){cout<<x<<' ';}cout<<endl; 
#define INF 1000000000
#define mod 1000000007
using ll=long long;
const ll LINF=1001002003004005006ll;
int dx[]={1,0,-1,0};
int dy[]={0,1,0,-1};
ll gcd(ll a,ll b){return b?gcd(b,a%b):a;}
template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;}
template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return true;}return false;}

signed main(){
    cin.tie(0);
    ios::sync_with_stdio(0);

    int n;cin>>n;
    vector<string> ans;
    
    if(n==1){
        cout<<"1"<<endl;
        cout<<"0"<<endl;
        return 0;
    }
    if(n==2){
        cout<<2<<endl;
        cout<<"0\n11\n";
        return 0;
    }

    for(int len=n;len>=2;len--){
        string s(len,'1');
        s[0]='0';s[len-1]='0';
        ans.push_back(s);
    }
    cout<<ans.size()<<endl;
    for(auto x: ans) cout<<x<<endl;
    return 0;
}

