import math
#Input
num = input("Enter a whole number: ")

#Floors input in case of a non whole number
decimal = math.floor(float(num))

#Variables
exp = 0
divTwo = 1
zeros = 0
total = ""
if decimal < 0:
    total += str('-')
    decimal = -decimal
if decimal == 0:
    total = str('0')
else:
    #Loops while remainder is > 0.
    while int(decimal) > 0:

        #Increases exponent by one if 2^exp is less than or equal to the remainder.
        if 2 ** exp <= int(decimal):
                exp += 1

        else: #Multiplies 2 by the exponent and places zeros in between 1s. Also subtracts from the exponent.
                exp -= 1

                #Determines whether or not to subtract from the remainder and add a '1' to the binary translation or just add a '0' to the binary translation.
                if 2 ** exp <= int(decimal):

                        #Counts how many zeros need to be added to the end of the binary translation.
                        if 2 ** exp == int(decimal):
                                divTwo = int(decimal)

                                #Loops until all remaining zeros have been accounted for.
                                while divTwo > 1:
                                        divTwo = divTwo / 2
                                        zeros += 1

                        decimal = int(decimal)
                        decimal -= 2 ** exp
                        total += str('1')

                else:
                        total += str('0')

#Places remaining zeros.
while zeros > 0:
        total += str('0')
        zeros -= 1


#Displays answer.
print ('Binary: ' + total)
input()

#
#
#Or 'bin(decimal)' works too, but this was for fun
#
#