import skinner
def my_round(n):
    """prec:  n is a floating-point string
post:  returns an integer that is the result of parsing and rounding the string"""
    n = float(n)
    frac = n - int(n)
    if frac < .5:
        return int(n)   #round down
    return 1 + int(n)   #round up

grade = input("Enter a percentage:  ")
print(f"The grade for {grade} is {skinner.grade(my_round(grade))}.")