highest = 0
start = int(raw_input("Enter the starting number: "))
end = int(raw_input("Enter the ending number: "))

for n in range(start, end + 1):
    current = n
    times = 1
    while n != 1:
        times += 1
        if n % 2 != 0:
            n = 3 * n + 1
        else: n = n / 2
    if times > highest:
        highest = times
        number = current

print "The number with the highest amount of cycles between " + str(start) + " and " + str(end) + " with " + str(highest) + " cycles was: " + str(number)