#include <stdio.h>

int main(void) {
  int j, m, d;
  long double sum = 0;

  scanf("%d,%d,%d\n", &j, &m, &d);

  sum = j + m + d;
  
  printf("合計点:%d\n", (int)sum);
  printf("平均点:%.1Lf\n", sum / 3.0);
}