l = [10 ** 100]
n = int(input())
for i in range(int(n ** 0.5), 0, -1):
    q = [i]
    m = n - i ** 2
    while m:
        p = int(m ** 0.5)
        q.append(p)
        m -= p ** 2
    if sum(q) < sum(l):
        l = q
odd, even = [], []
for i in l:
    if i % 2 == 1:
        odd.append(i)
    else:
        even.append(i)
odd = sorted(odd)
even = sorted(even)

def f(fir, sz):
    ret = ''
    if fir == 0:
        ret += '01' * (sz // 2)
        if sz % 2 == 1:
            ret += '0'
    else:
        ret += '10' * (sz // 2)
        if sz % 2 == 1:
            ret += '1'
    return ret

res = ''
for i in odd:
    res += f(0, i)
fir = 0
for i in even:
    res += f(fir, i)
    fir ^= 1
print(res)