#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n,point,win[10],low[10];
    char str[10];
    while(cin>>n&&n!=0){
        for(int i=0;i<n;i++){
            win[i]=0;low[i]=0;
            cin>>str[i];
            for(int j=1;j<n;j++){
                cin>>point;
                if(point==0)win[i]++;
                else if(point==1)low[i]++;
            }
        }
        for(int i=0;i<n;i++){
            point=0;
            for(int j=1;j<n;j++)if(win[point]<=win[j]&&low[point]>low[j])point=j;
            cout<<str[point]<<endl;
            win[point]=-1;
            low[point]=20;
        }
    }

}