func_code_string: #include <bits/stdc++.h>   using namespace std;   const int INF = 0x7FFFFFFF;   struct prioritycom {     bool operator()(const int& l, const int& r) { return l < r; }   };   template <typename T>   T lcm(T a, T b) {     return a / __gcd(a, b) * b;   }   template <class T>   T bigmod(T n, T p, T m) {     if (p == 0) return 1;     if (p % 2 == 0) {       T t = bigmod(n, p / 2, m);       return (t * t) % m;     }     return (bigmod(n, p - 1, m) * n) % m;   }   template <class string>   long long int strton(string s) {     long long int won;     stringstream ss;     ss << s;     ss >> won;     return won;   }   template <class T>   string ntostr(T n) {     stringstream ss;     ss << n;     return ss.str();   }   template <class T>   inline T mod(T n, T m) {     return (n % m + m) % m;   }   template <class T>   bool isprime(T n) {     if (n % 2 == 0) {       if (n == 2)         return true;       else         return false;     }     T m = sqrt(n);     for (T i = 3; i <= m; i += 2) {       if (n % i == 0) return false;     }     return true;   }   bool isvowel(char ch) {     ch = toupper(ch);     if (ch ==  A  || ch ==  U  || ch ==  I  || ch ==  O  || ch ==  E )       return true;     return false;   }   bool isconsonant(char ch) {     if (isalpha(ch) && !isvowel(ch)) return true;     return false;   }   char s[15][15];   int main() {     int x, y, cnt = 0;     for (int i = 1; i <= 9; i++) {       for (int j = 1; j <= 11; j++) {         scanf( %c , &s[i][j]);       }       getchar();       if (i % 3 == 0 && i != 9) getchar();     }     scanf( %d%d , &x, &y);     if (x % 3 == 0) {       if (y == 3 || y == 6 || y == 9) {         for (int i = 7; i <= 9; i++) {           for (int j = 9; j <= 11; j++) {             if (s[i][j] !=  . ) {               cnt++;             } else               s[i][j] =  ! ;           }         }       }       if (y == 1 || y == 4 || y == 7) {         for (int i = 7; i <= 9; i++) {           for (int j = 1; j <= 3; j++) {             if (s[i][j] !=  . ) {               cnt++;             } else               s[i][j] =  ! ;           }         }       }       if (y == 2 || y == 5 || y == 8) {         for (int i = 7; i <= 9; i++) {           for (int j = 5; j <= 7; j++) {             if (s[i][j] !=  . ) {               cnt++;             } else               s[i][j] =  ! ;           }         }       }     }     if (x == 2 || x == 5 || x == 8) {       if (y == 3 || y == 6 || y == 9) {         for (int i = 4; i <= 6; i++) {           for (int j = 9; j <= 11; j++) {             if (s[i][j] !=  . ) {               cnt++;             } else               s[i][j] =  ! ;           }         }       }       if (y == 1 || y == 4 || y == 7) {         for (int i = 4; i <= 6; i++) {           for (int j = 1; j <= 3; j++) {             if (s[i][j] !=  . ) {               cnt++;             } else               s[i][j] =  ! ;           }         }       }       if (y == 2 || y == 5 || y == 8) {         for (int i = 4; i <= 6; i++) {           for (int j = 5; j <= 7; j++) {             if (s[i][j] !=  . ) {               cnt++;             } else               s[i][j] =  ! ;           }         }       }     }     if (x == 1 || x == 4 || x == 7) {       if (y == 3 || y == 6 || y == 9) {         for (int i = 1; i <= 3; i++) {           for (int j = 9; j <= 11; j++) {             if (s[i][j] !=  . ) {               cnt++;             } else               s[i][j] =  ! ;           }         }       }       if (y == 1 || y == 4 || y == 7) {         for (int i = 1; i <= 3; i++) {           for (int j = 1; j <= 3; j++) {             if (s[i][j] !=  . ) {               cnt++;             } else               s[i][j] =  ! ;           }         }       }       if (y == 2 || y == 5 || y == 8) {         for (int i = 1; i <= 3; i++) {           for (int j = 5; j <= 7; j++) {             if (s[i][j] !=  . ) {               cnt++;             } else               s[i][j] =  ! ;           }         }       }     }     if (cnt == 9) {       for (int i = 1; i <= 9; i++) {         for (int j = 1; j <= 11; j++) {           if (s[i][j] ==  . ) s[i][j] =  ! ;           printf( %c , s[i][j]);         }         printf(  n );         if (i % 3 == 0) printf(  n );       }     } else {       for (int i = 1; i <= 9; i++) {         for (int j = 1; j <= 11; j++) {           printf( %c , s[i][j]);         }         printf(  n );         if (i % 3 == 0) printf(  n );       }     }   }   