func_code_string: #include <bits/stdc++.h>   using namespace std;   void A() {     cout <<  sjfnb  << endl;     exit(0);   }   void B() {     cout <<  cslnb  << endl;     exit(0);   }   int main() {     ios::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     int n;     cin >> n;     vector<int> a(n);     for (int i = 0; i < n; ++i) {       cin >> a[i];     }     sort(a.begin(), a.end());     if (n == 1) {       if (a[0] % 2 == 0) {         B();       } else {         A();       }     }     if (a[1] == 0) {       B();     }     vector<int> b = a;     if (unique(b.begin(), b.end()) - b.begin() <= n - 2) {       B();     }     int t = 0;     for (int i = 0; i < n - 1; ++i) {       if (a[i] == a[i + 1]) {         if (i > 0 && a[i - 1] == a[i] - 1) {           B();         }         --a[i];         t = 1;       }     }     for (int i = 0; i < n; ++i) {       t = (t + a[i] - i) % 2;     }     if (t % 2 == 0) {       B();     } else {       A();     }     return 0;   }   