#include<bits/stdc++.h>
#define ll long long int
#define vec vector<ll>
#define f(var,a,b) for(ll var = a ; var < b ; var++ )
#define fasthoja ios_base::sync_with_stdio(false); cin.tie(NULL);
using namespace std;
 
int main(void){
    fasthoja;
    ll t; cin>>t;
 
    while(t--){
    	ll n; cin >> n;
    	vec v(n); f(i,0,n) cin >> v[i];
 
    	vec freq(100000,0); // array for storing frequency of elements
 
    	bool isBeauty = true;
 
    	f(i,0,n) {
    		freq[ v[i] ]++;
    		if( freq[ v[i] ] > 1 ) {
    			isBeauty = false;
    			break;
			}
		}
 
		if( isBeauty ) cout << "prekrasnyy\n";
		else cout << "ne krasivo\n";
    }//end of test case loop
 
 return 0;
}
 

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