#include <bits/stdc++.h>   using namespace std;   vector<char> ch1;   int main() {     string s, str =   ;     getline(cin, s);     for (int i = 0; i < s.length(); i++) {       if (s[i] ==  . ) {         ch1.push_back( - );         i = i + 2;         continue;       }       if (s[i] ==     && s[i + 1] >=  0  && s[i + 1] <=  9  &&           ch1.back() >=  0  && ch1.back() <=  9 ) {         ch1.push_back( / );       }       if (s[i] !=    ) ch1.push_back(s[i]);     }     for (int i = 0; i < ch1.size(); i++) {       if (ch1[i] ==  -  && ch1[i + 1] !=  - )         str = str +  ... ;       else if (ch1[i] ==  -  && ch1[i + 1] ==  - )         str = str +  ...  +    ;       else if (ch1[i] ==  , )         str = str + ch1[i] +    ;       else if (ch1[i] ==  / )         str = str +    ;       else if (ch1[i] >=  0  && ch1[i] <=  9  && ch1[i + 1] ==  - )         str = str + ch1[i] +    ;       else         str = str + ch1[i];     }     if (str.back() ==    ) str.erase(str.length() - 1, 1);     cout << str;   }   