Enter a list of ten non-negative integers
Enter non-negative integer: 1
Next number
Enter non-negative integer: 2
Next number
Enter non-negative integer: 3
Next number
Enter non-negative integer: 4
Next number
Enter non-negative integer: 5
Next number
Enter non-negative integer: -1
No. must be >= 0
Next number
Enter non-negative integer: 7
Next number
Enter non-negative integer: 8
Next number
Enter non-negative integer: -1
No. must be >= 0
Next number
Enter non-negative integer: 10
Next number