מילות סיום

from abc import ABC
from abc import abstractmethod
class convertor(ABC):
    @abstractmethod
    def Convert(self):
        pass
class binary_convertor(convertor):
    def __init__(self, number):
        self.number = number
    def Convert(self):
        return bin(self.number)[2:]
if __name__ == '__main__':
    NUMBER = eval(input())
    CONVERTOR = binary_convertor(NUMBER)
    print(CONVERTOR.Convert())