#include <iostream>
#include <fstream>
#include "TGraph.h"

using namespace std;

void readData2() {
  float x,y,z;
  float a,b;
  cout << " inserisci numero " << endl;
  ifstream inFile("input.data");
  if (!inFile.good()) {
    cout << "Che file mi hai dato ?? " << endl;
    return;
  }
  //cin >> x;
  // inFile >> x >> y >> z;
  // inFile >> a >> b ;
  for (int i=0; i<4 ; ++i ){
    float x,y;
    inFile >> x >> y;
    if (inFile.eof() ) { // }
    //cout << " X is " << x << endl;
    if (y ==3) cout << " X is " << x << " Y is " << y << endl;
  }
  cout << " X is " << x << " Y is " << y << endl;


  // cout << " X is " << x << " Y is " << y << " Z is " << z << endl;
  // cout << " A is " << a << " B is " << b << endl;
  inFile.close();

  ofstream outFile("output.data");
  if (!outFile.good()) {
    cout << "Che file mi hai dato ?? " << endl;
    return;
  }
  //cout << x << endl;
  outFile << "La mia variabile est "<< x << " e y est " << y<< endl;
  outFile.close();


}