then is read and pushed onto the stack next is read and passed through to the output the state of affairs at this juncture is as followsstack ab output nexta is read the top entry on the operator stack has lower precedence than *so nothing is output and is put on the stack nextc is read and output thus farwe have stack abc output the next symbol is checking the stackwe find that we will pop and place it on the outputpop the other +which is not of lower but equal priorityon the stackand then push the stack abc*output the next symbol read is being of highest precedencethis is placed on the stack then is read and output stack abc*+ output we continue by reading since open parentheses do not get removed except when closed parenthesis is being processedthere is no output nexte is read and output stack abc*+de output