import math

# Read input and split into three integers
j, m, b = map(int, input().split(','))
total = j + m + b
average = total / 3
# Calculate truncated average to one decimal place
truncated_average = math.floor(average * 10) / 10
# Format and print the result
print(f"合計点:{total}平均点:{truncated_average:.1f}")