#include<iostream>
#include<cstring>
using namespace std;
 
int main()
{
     string s;
     while(getline(cin,s)){
          size_t pos=s.find("\"");
          int c=1;
          while(pos!=string::npos){
               if((c&1)==1)
                    s.replace(pos,1,"``");
               else
                    s.replace(pos,1,"''");
               c++;
               pos=s.find("\"",pos+1,1);
          }
          cout<<s<<"\n";
     }
}

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"To be or not to be," quoth the Bard, "that is the question".
The programming contestant replied: "I must disagree. To `C' or not to `C', that is The Question!"