根据给出的文法编制LR（1）分析程序，以便对任意输入的符号串进行分析。本次实验的目的主要是加深对LR（1）分析法的理解。-Analysis procedure according to the preparation of the grammar given LR (1), so that the symbol string of the arbitrary input for analysis. The main purpose of this experiment is to deepen the understanding of the LR (1) analysis.