#include <bits/stdc++.h>

using namespace std;

#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
#define fi first
#define se second

template<typename A, typename B> inline bool chmax(A &a, B b) { if (a<b) { a=b; return 1; } return 0; }
template<typename A, typename B> inline bool chmin(A &a, B b) { if (a>b) { a=b; return 1; } return 0; }

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<int, pll> pip;
const ll INF = 1ll<<29;
const ll MOD = 1000000007;
const double EPS  = 1e-9;

int main() {
	int n;
	while (cin >> n, n) {
		vector<pair<int, char> > ans[10]; // ????????°, ??????
		
		REP(i, n) {
			string name;
			cin >> name;
			int win = 0, lose = 0;
			REP(j, n - 1) {
				int in; cin >> in;
				if (in == 0) win++;
				if (in == 1) lose++;
			}
			ans[win].push_back(pii(lose, name[0]));
		}
		
		REP(i, 10) sort(ALL(ans[i]));
		
		for (int i = 9; i >= 0; i--) {
			REP(j, ans[i].size()) printf("%c\n", ans[i][j].se);
		}
	}
	return 0;
}