import sequtils,strutils
var
    N = stdin.readline.parseInt
    A = newSeq[int](0)
    ans = ""
    dp = newSeqWith(300002, 100000000)
dp[0] = 0

for i in 0..300001:
    for j in 1..548:
        if i + j * j > 300001:
            break
        dp[i + j * j] = min(dp[i + j * j], dp[i] + 1)
        
while N > 0:
    var a : int
    var m : int = 1000000
    for i in 1..N:
        if N - i * i < 0:
            break
        if m > dp[N - i * i]:
            a = i
            m = dp[N - i * i]
    N -= a * a
    A.add(a)

for a in A:
    for i in 0..<a:
        if ans.len == 0:
            ans &= '0'
        elif i == 0:
            ans &= ans[^1]
        else:
            ans &= $(1 - (ans[^1].ord - '0'.ord))

echo ans