a. Write an algorithm for the following problem: A student is appeared

in an examination of 5 subjects. His/her marks are input to the system.

Find his/her total marks, average marks, and percentage marks. If

percentage marks are above 80%, his/her grade is A, if less than 80

but more than 70%, grade is B, if less than 70 but more than 60%,

grade is C, and below 60% is F grade.

b. Draw an algorithm for the above problem No a.