#include <iostream>
#include <fstream>

using namespace std;

int main() {

    int a;
    int b;

    cout << "a = ";
    cin >> a;
    cout << "b = ";
    cin >> b;
    cout << endl;

    fstream fg("file.txt");

    while ( fg >> a >> b ) {

        fg << a << " " << b << endl;

    }


}