import math

# 读取输入并分割成三个整数
j, m, b = map(int, input().split(','))

# 计算总分
total = j + m + b

# 计算平均分并保留一位小数，向下取整
average = total / 3
rounded_average = math.floor(average * 10) / 10

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