from math import sqrt

n = int(input())


def square_number_list(n, current_list):
    if n == 0:
        return current_list
    base = int(sqrt(n))
    if base == sqrt(n):
        return current_list + [base]
    else:
        return square_number_list(n - base * base, current_list + [base])


candidate = square_number_list(n, [])


def make_candidate_binary(candidate):
    current_binary = 0
    current_string = ""
    for number in candidate:
        for i in range(0, number):
            current_string += str(current_binary)
            if i < number - 1:
                current_binary = 0 if current_binary == 1 else 1
    return current_string


print("".join(make_candidate_binary(candidate)))