#include<bits/stdc++.h> using namespace std; string a[10000]; int strand(string a) { int count = 0; for(int i=0;i<a.size();i++) { if(a[i]=='1') count++; } return count; } bool abc(string m,string n) { if(m.size()!=n.size()) { return m.size()<n.size(); } int p,q; p=strand(m); q=strand(n); if(p!=q) { return p<q; } return m<n; } int main() { //freopen("strand.in","r",stdin); //freopen("strand.out","w",stdout); int n; cin>>n; for(int i =0;i<=n;i++) cin>>a[i]; sort(a,a+n+1,abc); for(int i=1;i<=n;i++) cout<<a[i]<<endl; return 0; }