#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  int n;
  cin >> n;
  if (n & 1) {
    cout << "1 ";
    for (int i = 2; i <= n; i += 2) {
      cout << i + 1 << " " << i << " ";
    }
  } else {
    for (int i = 1; i <= n; i += 2) {
      cout << i + 1 << " " << i << " ";
    }
  }
  return 0;
}
