#include <stdio.h>

#define NUM_DAYS 3

int main(void) {
  // an array of integers
  // creates NUM_DAYS * 32bits of memory
  int ice_creams[NUM_DAYS];

  int i = 0;
  while(i < NUM_DAYS) {
    printf("Enter your ice creams for day %d: ", i+1);
    scanf("%d", &ice_creams[i]);

    i = i + 1;
  }

  i = 0;
  int total_ice_creams = 0;
  while(i < NUM_DAYS) {
    printf("%d, ", ice_creams[i]);
    total_ice_creams = total_ice_creams + ice_creams[i];
    i = i + 1;
  }

  printf("Total number of ice creams: %d\n", total_ice_creams);
  printf("Average ice creams: %lf\n", 1.0 * total_ice_creams/NUM_DAYS);

  return 0;
}