#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin>>n;
    if (n<=10)
        cout<<"ertongzu";
    else if (n<=14)
        cout<<"shaonianzu";
    else
        cout<<"qingnianzu";
    return 0;
}//分支问题，easy

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin>>n;
    if (n<=10)
        cout<<"ertongzu";
    else if (n<=14)
        cout<<"shaonianzu";
    else
        cout<<"qingnianzu";
    return 0;
}