# No.9014 テストの合計点と平均点

import math

def main():

    j,m,b = map(int, input().split(","))
    total = j + b + m
    average = math.floor((total/3)*10**2) / 10**2
    print("合計点:" + str(total))
    print("平均点:" + str(f"{average:.1f}"))

if __name__ == "__main__":
    main()