#include<iostream>
#include<vector>
#include<algorithm>

using namespace std;
using ll = long long;

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    ll n;
    cin>>n;
    vector<ll> ans(n,1);
    ans[0] = 3;
    ll now = 0;
    for(int i = 0;i<n;i++) now += ans[i];
    now %= 3;
    if(now==2) ans[1] = 3;
    else if(now==0) ans[1] = 2;
    for(int i = 0;i<n;i++){
        if(i) cout<<" ";
        cout<<ans[i];
    }
    cout<<endl;
}