func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     char ch;     int state = 0;     while ((ch = cin.get()) != EOF) switch (state) {         case 0:           if (isdigit(ch)) {             cout << ch;             state = 1;           }           if (ch ==  , ) {             cout << ch;             state = 2;           }           if (ch ==    ) {             state = 0;           }           if (ch ==  . ) {             cout << ch;             state = 3;           }           break;         case 1:           if (isdigit(ch)) {             cout << ch;             state = 1;           }           if (ch ==  , ) {             cout << ch;             state = 2;           }           if (ch ==    ) {             state = 6;           }           if (ch ==  . ) {             cout <<    ;             cout << ch;             state = 3;           }           break;         case 2:           if (isdigit(ch)) {             cout <<    ;             cout << ch;             state = 1;           }           if (ch ==  , ) {             cout <<    ;             cout << ch;             state = 2;           }           if (ch ==    ) {             state = 2;           }           if (ch ==  . ) {             cout <<    ;             cout << ch;             state = 3;           }           break;         case 3:           if (ch ==  . ) {             cout << ch;             state = 4;           }           break;         case 4:           if (ch ==  . ) {             cout << ch;             state = 5;           }           break;         case 5:           if (isdigit(ch)) {             cout << ch;             state = 1;           }           if (ch ==  , ) {             cout << ch;             state = 2;           }           if (ch ==    ) {             state = 5;           }           if (ch ==  . ) {             cout <<    ;             cout << ch;             state = 3;           }           break;         case 6:           if (isdigit(ch)) {             cout <<    ;             cout << ch;             state = 1;           }           if (ch ==  , ) {             cout << ch;             state = 2;           }           if (ch ==    ) {             state = 6;           }           if (ch ==  . ) {             cout <<    ;             cout << ch;             state = 3;           }           break;       }   exit:     return (0);   }   