#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <stack>
#include <algorithm>
#include <string>
#include <map>
#include <iterator>
#include <set>
#include <queue>
#include <bitset>
#include <cassert>

using namespace std;
using ll = long long;


int main() {

    int N;
    cin>>N;
    
    N -= 2;
    cout << 3 << endl;
    cout << " " << endl;
    cout << 4 << endl;
    cout << " " << endl;
    for (int i = 0; i < N-1; ++i) {
        cout << 3 <<" " << endl;
    }
    cout << 3 << endl;
    return 0;
}