func_code_string: #include <bits/stdc++.h>   using namespace std;   template <class T>   void dbs(string str, T t) {     cerr << str <<   :   << t <<   n ;   }   template <class T, class... S>   void dbs(string str, T t, S... s) {     int idx = str.find( , );     cerr << str.substr(0, idx) <<   :   << t <<  ,  ;     dbs(str.substr(idx + 1), s...);   }   template <class S, class T>   ostream& operator<<(ostream& os, const pair<S, T>& p) {     return os <<  (  << p.first <<  ,   << p.second <<  ) ;   }   template <class T>   ostream& operator<<(ostream& os, const vector<T>& p) {     os <<  [  ;     for (auto& it : p) os << it <<    ;     return os <<  ] ;   }   template <class T>   ostream& operator<<(ostream& os, const set<T>& p) {     os <<  [  ;     for (auto& it : p) os << it <<    ;     return os <<  ] ;   }   template <class S, class T>   ostream& operator<<(ostream& os, const map<S, T>& p) {     os <<  [  ;     for (auto& it : p) os << it <<    ;     return os <<  ] ;   }   template <class T>   void prc(T a, T b) {     cerr <<  [ ;     for (T i = a; i != b; ++i) {       if (i != a) cerr <<  ,  ;       cerr << *i;     }     cerr <<  ] n ;   }   void code() {     long long n;     cin >> n;     vector<long long> cnt(4);     long long a, b, c;     a = b = c = 0;     for (long long i = 0; i < (long long)(n); ++i) {       string s;       cin >> s;       if (s ==  M ) a++;       if (s ==  S ) b++;       if (s ==  L )         c++;       else if (s ==  XS )         cnt[1]++;       else if (s ==  XXS )         cnt[2]++;       else if (s ==  XXXS )         cnt[3]++;     }     for (long long i = 0; i < (long long)(n); ++i) {       string s;       cin >> s;       if (s ==  M ) a--;       if (s ==  S ) b--;       if (s ==  L )         c--;       else if (s ==  XS )         cnt[1]--;       else if (s ==  XXS )         cnt[2]--;       else if (s ==  XXXS )         cnt[3]--;     }     long long ans = 0;     ans += abs(a) + abs(b) + abs(c);     ans /= 2;     ans += abs(cnt[1]) + abs(cnt[2]) + abs(cnt[3]);     cout << ans;   }   int main() {     int t = 1;     for (auto i = (1); i != (t + 1); i++) {       code();     }     return 0;   }   