// Add or remove includes
#include <iostream>
#include <string>
#include <vector>
#include <list>
#include <sstream>
#include <cstdlib>

using namespace std;

//void mergeIntoFirstList(list<int> &l1, list<int> l2);

int execute(int x);

int main()  {
    //vector<Test> test;
    //list<int> l1, l2;
    //mergeIntoFirstList(l1, l2);
    cout << execute(10) << endl;
    cout << "hola" << endl;
}
