//CstringVsString

#include<iostream>
#include<string>
#include<fstream>
using namespace std;

int main()
    {
    string st;
    cout << "enter a file name followed by %: " ;
    getline(cin,st,'%');
    cout << "first letter: " << st.c_str()[0] << endl;
    cout << "The string: " << st << endl;
    ofstream myout(st.c_str());
    myout << "I am in the file."<<endl;
    myout.close();
    cout << "The size of st: " << st.size() << endl;
    cout << "The length of st: " << st.length() << endl;
    
    return 0;
    }