SCOJ的log

题目描述

struct想让你打印SCOJ的日志，请你帮助他

输出格式

log 1.0 on 7/15 : struct creates SCOJ
log 1.1 on 7/15 : struct out of the first problem : A+B problem
log 1.2 on 7/16 : struct post the first discussion
log 1.2.1 on 7/17 : static become an admin
log 1.2.2 on 7/17 : struct out of the third problem : The entropy of the data

样例输入

log 1.0 on 7/15 : struct creates SCOJ
log 1.1 on 7/15 : struct out of the first problem : A+B problem
log 1.2 on 7/16 : struct post the first discussion
log 1.2.1 on 7/17 : static become an admin
log 1.2.2 on 7/17 : struct out of the third problem : The entropy of the data