#include <iostream>
using namespace std;
int main() {
int n;
cin >> n;
if(n< 1200){
cout << "za niski";
}
if(n== 1200){
cout << "tylko sportowe";
}
if((n> 1200) && (n<= 4500)){
cout << "ryzykowny";
}
if(n> 4500){
cout << "ok";
}
return 0;
}
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