10407. 2 타워

c
#include <bits/stdc++.h>

using namespace std;

int main(){
    cin.tie(NULL);
    cout.tie(NULL);
    ios_base::sync_with_stdio(false);

    string S;
    cin >> S;

    cout << (S == "1" ? 2 : 1) << "\n";

    return 0;
}