"""12/2/20 grade bot"""
#converting the mark into an impout
mark = int(input("please insert your marks from your last test"))

if mark >= 90:
    print("your grade was an A")
elif mark >= 70:
    print("your grade was a B")
elif mark >= 50:
    print("your grade was a C")
else:
    print("you dumbass you Failed")
           

