camelcase4.txt

#include<bits/stdc++.h>

using namespace std;

int main()
{
    string wrd,output;
    while(getline(cin,wrd))
    {    
        wrd.erase(remove(wrd.begin(), wrd.end(), '\r'), wrd.end());
        output="";
        char opr=wrd[0],typ=wrd[2];
        for(int i=4;i<wrd.size();i++){

            //TODO for combine operation
            if(wrd[0]=='C')
            {
                if(i==4 && typ=='C')
                {
                    output+=toupper(wrd[i]);
                    continue;
                }

                if(wrd[i]==' ')
                {
                    continue;
                }

                if(wrd[i-1]==' ' && i!=4)
                {
                    output+=toupper(wrd[i]);
                    continue;
                }

                
                output+=wrd[i];
            }
            
            //for split operation
            else{
                if(isupper(wrd[i]) && i!=4)
                {
                    output+=' ';
                    output+=tolower(wrd[i]);
                    continue;
                }
                if(wrd[i]=='(')
                {
                    break;
                }
                if(isupper(wrd[i]) && i==4)
                {
                    output+=tolower(wrd[i]);
                    continue;   
                }
                output+=wrd[i];
            }
        }
    if(opr=='C' && typ=='M')
    {
        cout<<output+"()"<<endl;
    } 
    else
    {
        cout<<output<<endl;
    }

    }
    return 0;
}


// output:
// C;M;white sheet of paper
// whiteSheetOfPaper()
// S;V;pictureFrame
// picture frame
// S;M;plasticCup()
// plastic cup
// C;V;mobile phone
// mobilePhone
// C;C;coffee machine
// CoffeeMachine
// S;C;LargeSoftwareBook
// large software book