#include <ctime>
#include <iostream>
using namespace std;

int main() {
    int N;
    cin >> N;
    int steps = 0;
    while (clock() < N * 100000) {
        steps += 1;
        if (steps % 10000000 == 0) {
            cerr << "!!!" << endl;
        }
    }
    cout << 11 << endl;
    return 0;
}