func_code_string: #include <bits/stdc++.h>   using namespace std;   bool b[4000000];   int main() {     int n, cnt, x[2007], y[2007];     cin >> n;     for (int i = 1; i <= n; i++) {       cin >> x[i];       b[x[i]] = 1;     }     for (int i = 1; i <= n; i++) {       cin >> y[i];       b[y[i]] = 1;     }     cnt = 0;     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= n; j++)         if (b[x[i] ^ y[j]]) cnt++;     }     if (cnt % 2)       puts( Koyomi );     else       puts( Karen );     return 0;   }   