tj

#include <bits/stdc++.h>

using namespace std;

long long date;

int main() {
    cin >> date;
    
    if (date == 9) {
        cout << "除夕" << endl;
    } else if (date == 10) {
        cout << "初一" << endl;
    } else if (date == 11) {
        cout << "初二" << endl;
    } else if (date == 12) {
        cout << "初三" << endl;
    } else if (date == 13) {
        cout << "初四" << endl;
    } else if (date == 14) {
        cout << "初五" << endl;
    } else if (date == 15) {
        cout << "初六" << endl;
    } else{
         cout << "初七" << endl;
    }
    return 0;
}