IN ATM ,THERE ARE 5 KINDS OF MONEY :10.000VND , 20.000VND,50.000VND,100.000VND,500.000VND. MY ACCOUNT IS 100.000VND ,AND I WANT TO USE A HAFL(50.000VND). HOW CAN PROGRAM RUN RANDOMLY EXAMPLE: 5 NOTES OF 10.000VND , 2 NOTES OF 20.000 AND 3 NOTES OF 10.000 ,2 NOTES OF 20.000VND AND 1 NOTE OF 10.000 ,OR 1 NOTE OF 50.000(RANDOM) NOTE:VND IS VIETNAMDONG(MONEY OF VIET NAM) PLZ,HELP ME! THANKS