#include <bits/stdc++.h>
using namespace std;

int main() {
    int n;
    cin >> n;

    if (n == 1) {
        cout << "1";
        return 0;
    }

    if (n <= 3) {
        cout << "NO SOLUTION";
        return 0;
    }
    vector<int> permutation;
    for (int i = 2; i <= n; i += 2) {
        permutation.push_back(i);
    }
    for (int i = 1; i <= n; i += 2) {
        permutation.push_back(i);
    }
    for (int i = 0; i < n; ++i) {
        cout << permutation[i] << " ";
    }
    cout << endl;

    return 0;
}