/*
 * The complete grading program.
 */
#include <stdio.h>
#include <stdlib.h>

#define PASSING_SCORE 70

int main()
{
  int next_score;         /* current input value */
  int n;                  /* input values read with last scanf */
  int score_count;        /* count of scores read */
  int pass_count;         /* count of passing scores */
  int fail_count;         /* count of failing scores */
  int avg_score;          /* average score */
  int total_score;        /* total score */

  score_count = 0;  pass_count = 0;  fail_count = 0;  total_score = 0;

  printf("Score? ");
  n = scanf("%i", &next_score);
  while (n == 1)
  {
    score_count = score_count + 1;
    total_score = total_score + next_score;
    if (next_score >= PASSING_SCORE)
    {
      printf("%i - Passes\n", next_score);
      pass_count = pass_count + 1;
    }
    else
    {
      printf("%i - Fails\n", next_score);
      fail_count = fail_count + 1;
    }
    printf("Score? ");
    n = scanf("%i", &next_score);
  }
  if (score_count == 0)
    avg_score = 0;
  else
    avg_score = total_score / score_count;
  printf("\n%i scores entered, %i pass, %i fail.\n",
         score_count, pass_count, fail_count);
  printf("Average: %i\n", avg_score);

  return EXIT_SUCCESS;
}