# Write your Python code here
print("Hello, Excelrs!")
gradelist = []
for i in range(5):
  marks = input("Enter your marks")
  print(marks)
  marksInt = int(marks)
  grade = ''
  if marksInt < 40:
     grade = 'D'
  elif marksInt < 60:
     grade = 'C'
  elif marksInt < 80:
     grade = 'B'
  else:
     grade = 'A'
  print("your grade is")
  print(grade)
  gradelist.append(grade)
print(gradelist)