#include using namespace std; #define F first #define S second #define R cin>> #define Z class #define ll long long #define ln cout<<'\n' #define in(a) insert(a) #define pb(a) push_back(a) #define pd(a) printf("%.10f\n",a) #define mem(a) memset(a,0,sizeof(a)) #define all(c) (c).begin(),(c).end() #define iter(c) __typeof((c).begin()) #define rrep(i,n) for(ll i=(ll)(n)-1;i>=0;i--) #define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++) #define rep(i,n) REP(i,0,n) #define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++) templatevoid pr(A a){cout<void pr(A a,B b){cout<void pr(A a,B b,C c){cout<void pr(A a,B b,C c,D d){cout<void PR(A a,ll n){rep(i,n){if(i)cout<<' ';cout<=0&&x=0&&y P; void Main() { ll n; R n; ll dp[n+1],p[n+1]; fill(dp,dp+n+1,MAX); dp[0]=0; rep(i,n+1) { for(int j=1; i<1000; j+=2) { if(j*j+i>n) break; if(dp[j*j+i]>dp[i]+j) { dp[j*j+i]=dp[i]+j; p[j*j+i]=i; } } } rep(i,n+1) { for(int j=2; i<1000; j+=2) { if(j*j+i>n) break; if(dp[j*j+i]>dp[i]+j) { dp[j*j+i]=dp[i]+j; p[j*j+i]=i; } } } vector v; while(n) { ll k=n-p[n]; v.pb(sqrt(k)); n=p[n]; } sort(all(v)); string s=""; rep(i,v.size()) { if(v[i]%2==0) continue; rep(j,v[i]) s+=(char)(j%2+'0'); } deque deq; rep(i,v.size()) { if(v[i]%2) continue; deq.push_back(v[i]); } int t=0; while(deq.size()) { int x; if(!t) { x=deq.back(); deq.pop_back(); } else { x=deq.front(); deq.pop_front(); } rep(j,x) s+=(char)((j+t)%2+'0'); t^=1; } pr(s); } int main(){ios::sync_with_stdio(0);cin.tie(0);Main();return 0;}