Write a Program that stores the marks of students in AL, and displays the grade of the student
Marks < 60 Fail
60 ≤Marks ≤ 69 C.
70 ≤Marks ≤ 79 B.
80 ≤Marks ≤ 89 B.
90 ≤Marks ≤ 100 A.
Please fix the following input errors: