func_code_string: #include <bits/stdc++.h>   using namespace std;   long long n, cnt = 0;   long long a[623456], b[623456], v[9999999];   int main() {     cin >> n;     for (int i = 1; i <= n; i++) {       cin >> a[i];       v[a[i]] = 1;     }     for (int i = 1; i <= n; i++) {       cin >> b[i];       v[b[i]] = 1;     }     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= n; j++) {         long long x = a[i] ^ b[j];         if (v[x]) {           cnt++;         }       }     }     if (cnt % 2 == 0)       cout <<  Karen ;     else       cout <<  Koyomi ;   }   