#include<bits/stdc++.h>
using namespace std;
#define ll long long
int t,n,m;
int a[2000006];

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin>>t;
    while(t--){
        map<int,int> mp;
        cin>>n;
        for(int i=1;i<=2*n;i++){
            cin>>a[i];
            mp[a[i]]++;
        }
        int cnt1=0,cnt2=0;
        ll sum=0;
        ll ans=0;
        for(auto v:mp){
            if(v.second>=2){
                cnt1++;
                sum+=v.second;
            }
            else{
                cnt2++;
            }
        }
        if(cnt1==1){
            ans=sum-1;
        }
        else if(cnt1==2){
            ans=sum-cnt1;
        }
        else{
            ans=sum-cnt1-1;
        }
        if(ans>cnt2+1){
            cout<<"Qingyu\n";
        }
        else{
            cout<<"Kevin\n";
        }
    }
    return 0;
}