#include <bits/stdc++.h>
using namespace std;
int main(){
	int a;
	cin>>a;
	if(a<=14&&a>=11){
		cout<<"shaonianzu";
	}
	if(a<=30&&a>=15){
		cout<<"qingnianzu";
	}
	if(a<=10&&a>=8){
		cout<<"ertongzu";
	}
	}

/**************************************************************
	Problem: 1670
	User: tonghuawei
	Language: C++
	Result: Accepted
	Time:17 ms
	Memory:2072 kb
****************************************************************/