#include using namespace std; typedef long long ll; typedef pair p_ll; template void debug(T itr1, T itr2) { auto now = itr1; while(now=0; i--) const ll MOD = pow(10,9)+7; const ll LLINF = pow(2,61)-1; const int INF = pow(2,30)-1; vector fac; void c_fac(int x=pow(10,6)+10) { fac.resize(x,true); rep(i,x) fac[i] = i ? (fac[i-1]*i)%MOD : 1; } ll inv(ll a, ll m=MOD) { ll b = m, x = 1, y = 0; while (b!=0) { int d = a/b; a -= b*d; swap(a,b); x -= y*d; swap(x,y); } return (x+m)%m; } ll nck(ll n, ll k) { return fac[n]*inv(fac[k]*fac[n-k]%MOD)%MOD; } ll gcd(ll a, ll b) { if (a len, pre; void dfs(ll n) { if (len[n]!=INF) return; for (ll i=1; i*i<=n; i++) { dfs(n-i*i); if (len[n]>len[n-i*i]+i) { len[n]=len[n-i*i]+i; pre[n] = i; } } } int main() { ll N; cin >> N; len.resize(N+1,INF); len[0] = 0; pre.resize(N+1,INF); pre[0] = -1; dfs(N); ll tn = N; vector r; while (tn) { r.push_back(pre[tn]); tn -= pre[tn]*pre[tn]; } sort(all(r),[](const ll &x, const ll &y){return x%2>y%2||(x%2==y%2&&x