import math

# 读取输入并分割为三个整数
j, m, b = map(int, input().split(','))
total = j + m + b
average = total / 3
# 计算向下取整到小数点后一位的平均分
average_floor = math.floor(average * 10) / 10

# 格式化输出
print(f"合計点:{total}平均点:{average_floor:.1f}")