// compile: g++ -o data data.cpp -std=gnu++20 -DLOCAL
// run: ./data
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#ifdef LOCAL
#endif
#define sz(v) ((int)(v).size())
#define PV(v) for (int i=0;i<v.size();++i)cout<<v[i]<<" ";cout<<endl;
#define INTINF 9223372036854775807
#define int long long

using namespace std;

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n; cin >> n;
    if (n == 1) {
        cout << 1 << endl;
        return 0;
    }
    if (n <= 3) {
        cout << "NO SOLUTION" << endl;
        return 0;
    }
    for (int i = 1; i <= n; ++i) if (!(i & 1)) cout << i << " ";
    for (int i = 1; i <= n; ++i) if (i & 1) cout << i << " ";
    cout << endl;

    return 0;
}