#include<bits/stdc++.h>
using namespace std;
int32_t main() {
     ios_base::sync_with_stdio(false);
     cin.tie(0); cout.tie(0);
     int  n; cin >> n;
     if (n > 1) {
     cout << 2 << "\n";
     }
     else cout << 0 << "\n";
      
}