#include<bits/stdc++.h> #define int long long using namespace std; int n; signed main(){ cin>>n; if(n>=15) cout<<"qingnianzu"; else if(n>=11) cout<<"shaonianzu"; else cout<<"ertongzu";

return 0;

}

#include<bits/stdc++.h>
#define int long long
using namespace std;
int n;
signed main(){
    cin>>n;
    if(n>=15) cout<<"qingnianzu";
    else if(n>=11) cout<<"shaonianzu";
    else cout<<"ertongzu";

    return 0;
}