#include<bits/stdc++.h>
using namespace std;
typedef  long long LL;
typedef pair<LL,LL> PII;
const int N=20,M=2*N;
const int mod=998244353;
const int INF=1e9+7;


void solve(){
    int mid ;  
   cin >> mid ;
   if(mid > 366){
    cout << "-1" ;
    return ;
   }else if(mid == 0){
    cout << "7\n" ;
    cout << "2 5 3 6 4 3 5" ;
    return ;
   }else if(mid == 1){
    cout << "6\n1 1 4 5 1 4" ;
    return ;
   }else{
    cout << mid - 1 << '\n' ;
    for(int i = 1 ; i <= mid - 1 ; ++ i) {
        cout << i << ' ' ;
    }
    return ;
   }

}
 
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int T=1;
    //cin>>T;

    while(T--) solve();
 
    return 0;
}