#include <stdio.h>

#define MAX_TEN 5

int main(void);

int main(void)
{
  int ten[MAX_TEN], sum, i;
  float heikin;

  ten[0] = 65;
  ten[1] = 90;
  ten[2] = 75;
  ten[3] = 45;
  ten[4] = 82;
  sum = 0;

  for ( i = 0 ; i < MAX_TEN ; i++) {
    sum = sum + ten[i];
  }
  heikin = (float)sum / MAX_TEN;

  printf("国語は %d点\n", ten[0]);
  printf("数学は %d点\n", ten[1]);
  printf("英語は %d点\n", ten[2]);
  printf("理科は %d点\n", ten[3]);
  printf("社会は %d点\n", ten[4]);
  printf("平均点は %.1f点\n", heikin);

  return 0;
}