// Oldham, Jeffrey D.
// 1999 Sep 09
// CS1320

// Typed by John Word for CS1320-4.

// This program sums and averages the integers in a file or typed by
// the user.

#include <iostream.h>

int main()
{
  int x = 1;
  double sum = 0.0;
  int count = 0;
  while(cin >> x)
    {
      sum += x;
      count = count + 1;     
    }
  cout << "The sum is " << sum << ".\n";
  if(count != 0)
    cout << "The average is " << sum/count << ".\n";
  else
    cout << "There average is undefined.\n";
  return 0;
}