import math

# 读取输入并解析
j, m, b = map(int, input().split(','))

# 计算总分
total = j + m + b

# 计算平均分并处理到小数点后一位，向下取整
average = total / 3
average_floor = math.floor(average * 10) / 10

# 输出结果
print(f"合計点:{total}平均点:{average_floor:.1f}")