switch!!!!!!!!!!!!

#include <bits/stdc++.h>
using namespace std;
int main(){
    int a;
    cin >> a;
    switch(a){
        case 9:cout << "除夕";break;
        case 10:cout << "初一";break;
        case 11:cout << "初二";break;
        case 12:cout << "初三";break;
        case 13:cout << "初四";break;
        case 14:cout << "初五";break;
        case 15:cout << "初六";break;
        case 16:cout << "初七";break;
        default:cout << "有问题";
    }
    return 0;
}