# 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 / 10)
    print("合計点:" + total)
    print("平均点:" + average)

if __name__ == "__main__":
    main()