li = [int(i) for i in input().split()] sum = 0 count = 0 for j in li: sum += j count += 1 print('{} {:.1f}'.format(sum,sum/count))
li = [int(i) for i in input().split()] sum = 0 count = 0 for j in li: sum += j count += 1 print('{} {:.1f}'.format(sum,sum/count))