#include <bits/stdc++.h>
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define RFOR(i,a,b) for(int i=(b) - 1;i>=(a);i--)
#define REP(i,n) for(int i=0;i<(n);i++)
#define RREP(i,n) for(int i=n-1;i>=0;i--)

#define PB push_back
#define INF INT_MAX/3
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(),(a).rend()
#define CLR(a) memset(a,0,sizeof(a))

typedef long long int ll;

using namespace std;

int main(){
    while(true){
	int n;
	cin >> n;
	vector< pair<int,pair<int,char> > > ans;
	if(n == 0) break;
	REP(i,n){
	    char t;
	    int temp;
	    int w,l;
	    w =0 ;
	    l = 0;
	    cin >> t;
	    REP(i,n-1) {
		cin >> temp;
		if(temp == 0) w++;
		else if( temp == 1) l++;
	    }
	    ans.PB( pair<int,pair<int,char> >( w , pair<int,char>(l,t) ));
	}
	sort(RALL(ans));
	REP(i,n) cout << ans[i].second.second << endl;
    }
    return 0;
}