#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  if (n % 2) {
    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 << ' ';
    }
  }
}
