func_code_string: #include <bits/stdc++.h>   using namespace std;   template <class L, class R>   ostream &operator<<(ostream &os, map<L, R> P) {     for (auto const &vv : P) os <<  (  << vv.first <<  ,  << vv.second <<  ) ;     return os;   }   template <class T>   ostream &operator<<(ostream &os, set<T> V) {     os <<  [ ;     for (auto const &vv : V) os << vv <<  , ;     os <<  ] ;     return os;   }   template <class T>   ostream &operator<<(ostream &os, vector<T> V) {     os <<  [ ;     for (auto const &vv : V) os << vv <<  , ;     os <<  ] ;     return os;   }   template <class L, class R>   ostream &operator<<(ostream &os, pair<L, R> P) {     os <<  (  << P.first <<  ,  << P.second <<  ) ;     return os;   }   inline int fstoi(const string &str) {     auto it = str.begin();     bool neg = 0;     int num = 0;     if (*it ==  - )       neg = 1;     else       num = *it -  0 ;     ++it;     while (it < str.end()) num = num * 10 + (*it++ -  0 );     if (neg) num *= -1;     return num;   }   inline void getch(char &x) {     while (x = getchar_unlocked(), x < 33) {       ;     }   }   inline void getstr(string &str) {     str.clear();     char cur;     while (cur = getchar_unlocked(), cur < 33) {       ;     }     while (cur > 32) {       str += cur;       cur = getchar_unlocked();     }   }   template <typename T>   inline bool sc(T &num) {     bool neg = 0;     int c;     num = 0;     while (c = getchar_unlocked(), c < 33) {       if (c == EOF) return false;     }     if (c ==  - ) {       neg = 1;       c = getchar_unlocked();     }     for (; c > 47; c = getchar_unlocked()) num = num * 10 + c - 48;     if (neg) num *= -1;     return true;   }   template <typename T, typename... Args>   inline void sc(T &num, Args &...args) {     bool neg = 0;     int c;     num = 0;     while (c = getchar_unlocked(), c < 33) {       ;     }     if (c ==  - ) {       neg = 1;       c = getchar_unlocked();     }     for (; c > 47; c = getchar_unlocked()) num = num * 10 + c - 48;     if (neg) num *= -1;     sc(args...);   }   int getsum(int a, int b) {     int oor, oand;     cout <<  and   << a <<     << b << endl;     cin >> oand;     cout <<  or   << a <<     << b << endl;     cin >> oor;     return oor + oand;   }   int main() {     int n, k;     cin >> n >> k;     int cr;     int x, y, z;     x = getsum(1, 2);     y = getsum(1, 3);     z = getsum(2, 3);     int a[n + 1];     a[3] = (y + z - x) / 2;     a[2] = (-y + z + x) / 2;     a[1] = (y - z + x) / 2;     for (auto i = (4); i <= (n); ++i) {       int wh = getsum(1, i);       a[i] = wh - a[1];     }     sort(a + 1, a + n + 1);     cout <<  finish   << a[k] << endl;     cout << a[k] << endl;   }   