# Write your Python code here
#input
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)

# #output
# print("you r in grade b") 
# #variable
# #datatype
# a=10 #integer
# print(a)
# b=20
# a=20
# print(a)
 
#  c=10.5 #float

#  name = "anubhav" #text

#  married = false #boolean
# #operator
#  z = a + b
#  z = a - b
#  z = a * b
#  z = a/b

#  z = mark < 40
# #contal statement
#  if mark < 40;
#  ...
#  elif mark < 60
#  ...

#  grade ="A"

# print("your grade is")
# print (grade)