INPUT PROGRAM.
+ LOOP #I = 1 TO 10000.
+ DO REPEAT RESPONSE = X1 TO X4.
+ COMPUTE RESPONSE = RV.NORMAL(0,1) .
+ END REPEAT.
+ COMPUTE Y = RV.NORMAL(0,1).
+ END CASE.
+ END LOOP.
+ END FILE.
END INPUT PROGRAM.
EXECUTE.