# 国語の点数、数学の点数、科学の点数
japanese_score, math_score, sience_score = map(int, input().split())

total_score = japanese_score+math_score+sience_score
average_score = (japanese_score+math_score+sience_score)/3

print('合計点:%d' % total_score)
print('平均点:%d' % average_score)