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#include <iostream>
#include <string>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef double dl;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll n;
    cin >> n;
    if (n == 1) {
        cout << 1;
    }
    else if (n < 4) cout << "NO SOLUTION";
    else {
        ll* p = new ll[n];
        ll i = 0;
        ll x = 0;
        ll z = 0;
        ll j = n / 2;
        for (i = 0; i < n; ++i) {
            ++x;
            if (x % 2) {
                p[j] = x;
                ++j;
            }
            else {
                p[z] = x;
                ++z;
            }
        }
        for (i = 0; i < n; ++i) {
            cout << p[i] << " ";
        }
    }
    return 0;
}