#include <iostream>
#include <fstream>
#include <cstring>
using namespace std;
int main()
{
ifstream f1("unu.txt");
ifstream f2("doi.txt");
ofstream f3("trei.txt");
char txt1[100], txt2[100];
f1.getline(txt1, 100);
f2.getline(txt2, 100);
f3 << txt1 << txt2;
f1.close();
f2.close();
f3.close();
}