#include<iostream>
#include<string>
#include<vector>
using namespace std;
int main()
{
    vector<string> str={"The is C++ program ","hfh ","","hfdshfisoid"};
    for(auto it=str.begin();it!=str.end()&&!it->empty();++it)
    {
        cout<<*it<<endl;
        for(auto st=(*it).begin();st!=(*it).end();++st)
        {
            *st=toupper(*st);
        }
        cout<<*it<<endl;
    }

    return 0;
}