TEX Quotes , UVa272

#include<bits/stdc++.h>

using namespace std;

int main()
{
    
    int c;
    int q = 1;
    
    while((c = getchar())!= EOF)
    {
        if(c == '"')
        {
            printf("%s",q ? "``" : "''"); q = !q;
        }
        
        else printf("%c",c);    
    }
    
    return 0;
    
}