// read a table of values written by normal_dis.cpp
#include <math.h>
#include <iostream>
#include <fstream>
using namespace std;

int main()
{
  ifstream infile("normal.txt"); // open file for input

  double x, f;
  while (infile >> x){ // loop while reading is successful
    infile >> f;       // read f(x) 
    cout << x << ' ' << f << endl;  // output values to screen
  }
  infile.close();              // close file
}