#ask user for input needing a number between 50 and 100
grade = input('what was your grade? \n>')
#turn user input (string) into an integer
grade = int(grade)


#
# if grade >= 96:
#     print('A+')
# elif grade == 95:
#     print('A')
# elif grade >= 90:
#     print('A-')
#

#lots of ifs and elifs to determine what to print for given integer
if grade >= 90 and grade <= 94:
    print('A-')
elif grade >= 80 and grade <=84:
    print('B-')
elif grade >= 70 and grade <=74:
    print('C-')
elif grade >= 60 and grade <= 64:
    print('D-')
elif grade >= 50 and grade <= 54:
    print('F- oh no')
elif grade >= 96 and grade <= 100:
    print('A+ wow')
elif grade >= 86 and grade <= 89:
    print('B+')
elif grade >= 76 and grade <= 79:
    print('C+')
elif grade >= 66 and grade <= 69:
    print('D+')
elif grade >= 56 and grade <= 59:
    print('F+')
elif grade == 95:
    print('A')
elif grade == 85:
    print('B')
elif grade == 75:
    print('C')
elif grade == 65:
    print('D')
elif grade == 55:
    print('F')