#include<bits/stdc++.h> using namespace std; struct boo{ string a; int b=0,alen; bool operator <(const boo &o)const{ if(alen!=o.alen) return alen<o.alen; else if(b!=o.b) return b<o.b; else return a<o.a; } }; boo a[1005]; int main(){ freopen("strand.in","r",stdin); freopen("strand.out","w",stdout); int n; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i].a; a[i].alen=a[i].a.size(); for(int j=1;j<=a[i].alen;j++){ if(a[i].a[j]=='1')a[i].b++; } } sort(a+1,a+n+1); for(int i=1;i<=n;i++){ cout<<a[i].a<<endl; } fclose(stdin); fclose(stdout); return 0; }