import sys
input = sys.stdin.readline

a,b,c=list(map(int,input().split(",")))

S=a+b+c

T=(a+b+c)*10//3

print("合計点:"+str(S))

K=str(T)
K=K[:-1]+"."+K[-1]

if len(K)==2:
    K="0"+K

print("平均点:"+str(K))