import msvcrt


def find_repeating_decimals(numerator, denominator, cycle_count):
    count = 0
    remainders = set()
    while count < cycle_count:
        if numerator < denominator:
            numerator *= 10
        else:
            pass
        numerator = numerator % denominator
        if numerator in remainders:
            return(denominator, count)
        else:
            remainders.add(numerator)
        count += 1


if __name__ == '__main__':
    abort = False
    while not abort:
        if msvcrt.kbhit() and msvcrt.getch().decode() == chr(27):  # If ESC
            abort = True
        else:
            longest = [0, 0]
            try:
                numerator = eval(input('Enter your numerator: '))
                denominator = eval(input('Enter your denominator: '))
                for x in range(2, denominator + 1):
                    y = find_repeating_decimals(1, x, x)
                    if y[1] > longest[1]:
                        longest = y
                string = str(numerator / denominator)
                remainder = numerator % denominator
                if '0.' in string:
                    print('\n0.({})\n'.format(string[2:longest[1]+2]))
                else:
                    print('\n', string[:-2], '\n')
            except:
                print('\nYou have not entered valid input\n')