func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 2e6 + 11;   int use[N], a[N], b[N];   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     int n;     cin >> n;     for (int i = 1; i <= n; i++) {       cin >> a[i];       use[a[i]] = 1;     }     for (int j = 1; j <= n; j++) {       cin >> b[j];       use[b[j]] = 1;     }     int kol = 0;     for (int i = 1; i <= n; i++)       for (int j = 1; j <= n; j++) {         int d = a[i] ^ b[j];         if (d <= 2000000 && use[d] == 1) kol++;       }     if (kol % 2 == 0)       cout <<  Karen  << endl;     else       cout <<  Koyomi  << endl;   }   