Write a program that calculates the grade based on the degree entered according to the following table:

Appreciation	Degree
A	100-90

B	89-80
C	79-70
D	69-60
F	Less than 60

so that the program continues to display the input results (Repetition), and stops if the grade (negative value) is entered

Input

1- score (number) (the program does not accept grades greater than 100)

Outputs:

1- Letter indicating appreciation

Using Java