func_code_string: #include <bits/stdc++.h>   using namespace std;   int A[2006];   int B[2005];   map<int, int> mp;   int main() {     int a, b, n, x;     while (cin >> n) {       mp.clear();       int t = 1, x1, y1;       for (int i = 0; i < n; i++) {         scanf( %d , &A[i]);         if (mp.count(A[i]) == 0) mp[A[i]] = t++;       }       for (int i = 0; i < n; i++) {         scanf( %d , &B[i]);         if (mp.count(B[i]) == 0) mp[B[i]] = t++;       }       int sum = 0;       for (int i = 0; i < n; i++) {         for (int j = 0; j < n; j++) {           if (i == j) {             x = A[i] ^ B[j];             if (mp.count(x) == 1) sum++;           } else {             x = A[i] ^ B[j];             if (mp.count(x) == 1) sum++;           }         }       }       if (sum % 2 == 0)         cout <<  Karen  << endl;       else         cout <<  Koyomi  << endl;     }     return 0;   }   