Write a program that input obtain marks ofa student, calculate percentage (assume total marks are 1100), and display his/her grade.The grade should be calculated according to the following rules:15
{1.Percentage ( more than or equal to 90)_Grade (A)
2.Percentage (Between 80 to 90)_Grade(B+) 3.percentage ( Between 70 to 80)_grade(B) 4.percentage(between 60to70)_Grade(C+) 5.percentage(between 50 to 60)_grade(C) 6.percentage(between 40to50)_grade(D) 7.percentage(less than 40)_grade(F).}