B

#define _CRT_SECURE_NO_DEPRECATE

#include <iostream>
#include <vector>
#include <string>
#include <map>
#include <set>
#include <algorithm>

#define ull unsigned long long

using namespace std;

ull d[100001][3];

int main() {
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	int n;
	cin >> n;
	d[1][0] = d[1][1] = 1;
	d[1][2] = 0;
	for (int i = 2; i <= n; i++) {
		d[i][0] = (d[i - 1][0] + d[i - 1][1] + d[i - 1][2]) % 12345;
		d[i][1] = d[i - 1][0];
		d[i][2] = d[i - 1][1];
	}
	cout << (d[n][0] + d[n][1] + d[n][2]) % 12345;
	return 0;
}