спички

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;

const int inf = (int)(1e9 + 7);
const long long INF = (long long)(10e18 + 7);

#define endl '\n'
#define mp make_pair
#define pb push_back

const int MaxN = (int)(1 * 1e4 + 10);
const int MaxM = (int)(1 * 1e3 + 10);

bool dp[MaxN];

int main()
{
    std::ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);

    int n;
    cin >> n;

    dp[0] = 0;
    dp[1] = 1;
    dp[2] = 1;
    dp[3] = 1;
    for (int i = 4; i <= n; ++i) {
        if (dp[i - 3] && dp[i - 2] && dp[i - 1])
            dp[i] = false;
        else
            dp[i] = true;
    }

    cout << (dp[n] ? 1 : 2) << endl;

    return 0;
}