text = input()
res = text.split(",")
j, m, b = 0, 0, 0
for i in range(len(res[0])):
    j *= 10
    j += ord(res[0][i]) - ord("0")
for i in range(len(res[1])):
    m *= 10
    m += ord(res[1][i]) - ord("0")
for i in range(len(res[2])):
    b *= 10
    b += ord(res[2][i]) - ord("0")
print("合計点:", j + m + b, sep="")
e = 0
if (j + m + b) % 3 == 1:
    e = 3
if (j + m + b) % 3 == 2:
    e = 7
print("平均点:", (j + m + b) // 3, ".", e, sep="")