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 WELCOME TO THE VENDING MACHINE           

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        Products available:               
                                          
 1  TWIX - Price: 100   
 2  COKE - Price: 50   
 3  WATER - Price: 30   
 4  SANDWICH - Price: 150   

Please select your product: 2 Please enter coins as follows: num of 5 cents coins,num of 10 cents coins,num of 20 cents coins,num of 50 cents coins,num of 100 cents coins

Example: If you would like to enter 2 ten cents coins: 0,2,0,0,0 Plese enter coins: 0,0,0,0,1

Your change is :50cents split as follows: 100 cents coins: 0 50 cents coins: 1 20 cents coins: 0 10 cents coins: 0 5 cents coins: 0