# include <cstdlib>
# include <iostream>

using namespace std;

int main ( )
//
//  SUM_COUNTER allows the user to enter a sequence of numbers which
//  are added up by the program, and the result printed.
//
//  The user must first tell the program the number of values to be added.
//
{
  int n, step;
  float sum, x;

  cout << "Enter N, the number of values to add:  ";
  cin >> n;

  sum = 0.0;
  step = 0;

  while ( step < n )
  {
//
//  Increase the loop counter.
//
    step = step + 1;

    cin >> x;
    sum = sum + x;
  }
  cout << "Sum of " << n << " numbers is " << sum << "\n";

  return 0;
}