In this case, you need only two variables, your choice and rival's choice. Could you refer to the following description? INPUT CHOICE RIVAL=RND(3)+4 '<- choose value 4-6 at random IF CHOICE==4 THEN IF RIVAL==5 THEN PRINT "WIN" IF RIVAL==6 THEN PRINT "LOSE" IF RIVAL==4 THEN PRINT "TIE" ENDIF 'write conditional branch yourself in case of CHOICE==5 and CHOICE==6